| Estensione del file | Autore/Produttore | Descrizione del file |
|---|---|---|
| Estensione A | N/A | Unix Static Object Code Library Format |
| Estensione A$V | Quark, Inc. | QuarkXpress Automatically Saved Project |
| Estensione A00 | ESTsoft | Split Multi-volume ARJ Compressed File Archive (part 2) |
| Estensione A01 | ESTsoft | Split Multi-volume ARJ Compressed File Archive (part 3) |
| Estensione A02 | ESTsoft | Split Multi-volume ARJ Compressed File Archive (part 4) |
| Estensione A03 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 5) |
| Estensione A04 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 6) |
| Estensione A05 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 7) |
| Estensione A06 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 8) |
| Estensione A07 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 9) |
| Estensione A08 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 10) |
| Estensione A09 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 11) |
| Estensione A1 | Free Pascal team | Free Pascal Archive |
| Estensione A10 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 12) |
| Estensione A11 | AIM.com | AOL Instant Messenger Graphic |
| Estensione A12 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 14) |
| Estensione A13 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 15) |
| Estensione A14 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 16) |
| Estensione A15 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 17) |
| Estensione A16 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 18) |
| Estensione A17 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 19) |
| Estensione A18 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 20) |
| Estensione A19 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 21) |
| Estensione A1WISH | RapidSolution Software | Audials Wishlist Format |
| Estensione A20 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 22) |
| Estensione A21 | BSS Audio | Soundweb Firmware |
| Estensione A26 | N/A | Atari 2600 ROM Image Format |
| Estensione A2A | IBM | IBM Voice Type Languages Vocabels |
| Estensione A2B | Adlib | Adlib Tracker II Instrument Bank |
| Estensione A2C | Carnegie Mellon University | Alice Scene Format |
| Estensione A2DESKTOP | Gladiators Software | Aston Desktop Desktop Skin |
| Estensione A2I | Adlib | Adlib Tracker Instrument Format |
| Estensione A2L | ASAM MCD-2MC | ASAP2 Description Format |
| Estensione A2M | AdLib | AdLib Tracker 2 Format |
| Estensione A2MENU | Gladiators Software | Aston Desktop Start Menu Skin |
| Estensione A2P | Adlib | Adlib Tracker Pattern Format |
| Estensione A2PANEL | Gladiators Software | Aston Desktop Panel Skin |
| Estensione A2R | MyPlanetSoft.com | KittyXplorer Encrypted Archive |
| Estensione A2T | Adlib | Adlib Tracker Tiny Module Format |
| Estensione A2THEME | Gladiators Software | Aston 2 Theme Format |
| Estensione A2W | Carnegie Mellon University | Alice Program World Format |
| Estensione A31 | Adobe Systems Incorporated | Adobe Authorware Library |
| Estensione A32 | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 34) |
| Estensione A3D | Eovia | Amapi 3D Modeling |
| Estensione A3G | Pho.to | Photo! 3D Gallery |
| Estensione A3K | N/A | Yamaha A3000 Sampler |
| Estensione A3L | Adobe Systems | Adobe Authorware Library Format |
| Estensione A3M | Adobe Systems | Adobe Authorware Unpackaged Format |
| Estensione A3P | Carnegie Mellon University | Alice 3 Project |
| Estensione A3S | N/A | Yamaha A3000 Sample |
| Estensione A3W | Adobe Systems | Adobe Authorware Unpackaged Format |
| Estensione A3X | FMC Technologies, Inc. | AccuLoad III.net Settings |
| Estensione A41 | Adobe Systems Incorporated | Adobe Authorware Library |
| Estensione A4L | Adobe Systems | Adobe Authorware Library Format |
| Estensione A4M | Adobe Systems | Adobe Authorware Unpackaged Format |
| Estensione A4P | Avanquest Software | A4Desk Pro Project Format |
| Estensione A4R | N/A | Adobe Authorware Package Course |
| Estensione A4W | Adobe Systems | Adobe Authorware Unpackaged Format |
| Estensione A51 | Adobe Systems Incorporated | Adobe Authorware Library |
| Estensione A52 | N/A | Atari 5200 Game Image Format |
| Estensione A5D | N/A | Adobe Authorware Model |
| Estensione A5L | Adobe Systems | Adobe Authorware Library Format |
| Estensione A5M | N/A | Adobe Authorware Unpackaged |
| Estensione A5P | N/A | Adobe Authorware Package Without Runtime |
| Estensione A5R | Adobe Systems Incorporated | Adobe Authorware Packaged File Without Runtime |
| Estensione A5RPT | Alpha Software, Inc. | Alpha Five Project Report |
| Estensione A5W | Adobe Systems | Adobe Authorware Unpackaged Format |
| Estensione A5WCMP | Alpha Software, Inc. | Alpha Five Web Publishing |
| Estensione A64 | N/A | Artist 64 |
| Estensione A65 | Adobe Systems | Adobe Authorware Library Format |
| Estensione A66 | ARM Holdings plc | µVision Assembler Source |
| Estensione A6D | N/A | Adobe Authorware Model |
| Estensione A6L | N/A | Adobe Authorware Library |
| Estensione A6M | N/A | Adobe Authorware Unpackaged |
| Estensione A6P | Adobe Systems | Adobe Authorware Application Format |
| Estensione A6R | N/A | Adobe Authorware Packaged File Without Runtime |
| Estensione A6W | N/A | Adobe Authorware Unpackaged |
| Estensione A78 | N/A | Atari 7800 Image |
| Estensione A7D | Adobe Systems Incorporated | Adobe Authorware Model |
| Estensione A7E | Adobe Systems Incorporated | Adobe Authorware Packaged Library |
| Estensione A7L | N/A | Adobe Authorware Library |
| Estensione A7M | N/A | Adobe Authorware Unpackaged |
| Estensione A7P | Adobe Systems Incorporated | Adobe Authorware Packaged File Without Runtime |
| Estensione A7R | Adobe Systems Incorporated | Adobe Authorware Packaged File Without Runtime |
| Estensione A7W | N/A | Adobe Authorware Unpackaged |
| Estensione A86 | Eric Isaacson Software | A86 Assembly Language Source Code |
| Estensione A8S | Steven Glanville | Anim8or Script Format |
| Estensione AA | Audible | Audible Audio Format |
| Estensione AA3 | Sony | Sony ATRAC Audio Format |
| Estensione AAA | Sybase Inc. | Sybase SQLAnywhere Temporary |
| Estensione AAB | Adobe Systems Incorporated | Adobe Authorware Binary |
| Estensione AAC | N/A | Advanced Audio Coding Format |
| Estensione AAD | Amazon.com, Inc. | Audible Download Plugin |
| Estensione AAF | Avid Technology | Advanced Authoring Format Multimedia Format |
| Estensione AAM | Adobe Systems | Adobe Authorware Shocked Format |
| Estensione AAO | US Army | Americas Army Map Format |
| Estensione AAP | Heikki Ylinen | Apollo Advanced Playlist |
| Estensione AAPKG | Invensys plc | ArchestrA IDE Package |
| Estensione AAR | Apache Software Foundation | Apache Axis2 Archive |
| Estensione AAS | Adobe Systems Incorporated | Adobe Authorware Shocked Packet |
| Estensione AAT | Esri | ArcInfo Line Data |
| Estensione AATREND | Invensys Systems, Inc. | ActiveFactory Trend |
| Estensione AAUI | Adobe Systems | Adobe Acrobat UI Settings Format |
| Estensione AAW | Lavasoft | Lavasoft Ad-Aware 2007 Settings |
| Estensione AAWDEF | Lavasoft | Ad-Aware Definitions Format |
| Estensione AAX | Audible | Audible Enhanced Audio Format |
| Estensione AB | N/A | Applix Builder Format |
| Estensione AB$ | Autodesk, Inc. | Autodesk AutoCAD Plot Spooling |
| Estensione AB1 | N/A | DNA Electropherogram Format |
| Estensione AB2 | Broderbund | |
| Estensione AB3 | Ulead Systems | Photoimpact 3 Album Format |
| Estensione AB4 | ENIAC Computing | AB4 Accounting & Business Data |
| Estensione AB6 | AndersonBell Corp | ABStat Data |
| Estensione AB65 | Adobe Systems Incorporated | Adobe PageMaker Document |
| Estensione AB8 | AndersonBell Corp | ABStat Data |
| Estensione ABA | Palm | Palm Address Book Archive Format |
| Estensione ABBU | N/A | Apple Address Book Archive Format |
| Estensione ABC | N/A | Musical Notation Language Format |
| Estensione ABCD | AV Books Publishers | AudioVisual Book Data Format |
| Estensione ABCDDB | Apple, Inc. | Apple Address Book Database |
| Estensione ABCDG | Apple, Inc. | Apple AddessBook |
| Estensione ABCDMR | Apple, Inc. | Apple Address Book Mail Recent |
| Estensione ABCDP | Apple, Inc. | Address Book Card Data |
| Estensione ABD | N/A | Text Adventure Authoring System |
| Estensione ABDATA | Adobe Systems | Adobe Bridge Data Format |
| Estensione ABE | N/A | Application Boundaries Enforcer |
| Estensione ABF | Adobe Systems | Adobe Binary Screen Font Format |
| Estensione ABG | Electronic Arts, Inc. | FIFA World Cup Game Data Beart |
| Estensione ABI | N/A | Chromatogram Editor Format |
| Estensione ABICOLLAB | The AbiSource Community | AbiWord Collaborative File Descriptor |
| Estensione ABK | N/A | Ability Write Backup Format |
| Estensione ABKPRJ | Ashampoo | Ashampoo Burning Studio Backup Project Format |
| Estensione ABL | BOC Information Technologies Consulting AG | ADONIS Application Business Library |
| Estensione ABM | N/A | Music Album Format |
| Estensione ABN | Alpha Software, Inc. | Alpha Five |
| Estensione ABP | AVS | AVS Barcode Profile |
| Estensione ABR | Adobe Systems | Adobe Photoshop Brush Format |
| Estensione ABS | ComponentAce | Absolute Database Single-file Database Format |
| Estensione ABT | Advanced Business Technology Corporation | The Arbiter Game Schedule |
| Estensione ABU | The Sage Group plc | ACT! E-mail Address Book |
| Estensione ABW | AbiSource | AbiWord Document Format |
| Estensione ABX | Corel Corporation | Corel WordPerfect Mail Address Book |
| Estensione ABY | AOL | AOL Directory Format |
| Estensione ABZ | Mark Mullin | AbszOrb 3D Interactive Game |
| Estensione AC | N/A | GLPK Automake/autoconf Configure Definitions Format |
| Estensione AC$ | Autodesk | AutoCAD Undo Info Format |
| Estensione AC0 | National Instruments Corporation | SPICE AC/frequence Domain Output |
| Estensione AC1 | National Instruments Corporation | SPICE AC/frequence Domain Output |
| Estensione AC2 | National Instruments Corporation | SPICE AC/frequency Domain Output |
| Estensione AC3 | N/A | Dolby Digital Sound Format |
| Estensione AC3D | Inivis Limited | 3d Format Data |
| Estensione AC4 | National Instruments Corporation | SPICE AC/frequence Domain Output |
| Estensione AC5 | Wentai | ArtCut 5 Document Format |
| Estensione AC6 | Wentai | Artcut Software Graphics Design Format |
| Estensione AC7 | National Instruments Corporation | SPICE AC/frequence Domain Output |
| Estensione AC8 | National Instruments Corporation | SPICE AC/frequence Domain Output |
| Estensione AC9 | National Instruments Corporation | SPICE AC/frequence Domain Output |
| Estensione ACA | Microsoft | Microsoft Agent Character Format |
| Estensione ACA2 | FontLab Ltd. | Fontographer |
| Estensione ACAD | Autodesk, Inc. | AutoCAD Database |
| Estensione ACB | Adobe Systems | Adobe Color Book Format |
| Estensione ACBL | Adobe Systems | Adobe Color Book Format |
| Estensione ACC | FKJ Software | Graphic Accounts Account Data Format |
| Estensione ACCDA | Microsoft | Microsoft Access 2007/2010 Add-in Format |
| Estensione ACCDB | Microsoft | Microsoft Access 2007/2010 Database Format |
| Estensione ACCDC | Microsoft | Microsoft Access 2007/2010 Digitally Signed Database Format |
| Estensione ACCDE | Microsoft | Microsoft Access 2007/2010 Compiled Execute Only Format |
| Estensione ACCDP | Microsoft Corporation | Microsoft Access 2007/2010 Project |
| Estensione ACCDR | Microsoft | Microsoft Access 2007/2010 Runtime Mode Database Format |
| Estensione ACCDT | Microsoft | Microsoft Access 2007/2010 Database Template Format |
| Estensione ACCDU | Microsoft | Microsoft Access 2007/2010 Database Wizard Format |
| Estensione ACCDW | Microsoft | Microsoft Access Link Format |
| Estensione ACCESS | Oracle Corporation | Java Access Control |
| Estensione ACCESSOR | Microsoft Corporation | Microsoft Visual Studio Accessor |
| Estensione ACCFL | Microsoft Corporation | Microsoft Access Field Template |
| Estensione ACCFT | Microsoft | Microsoft Access Template Format |
| Estensione ACCOUNTPICTURE-MS | Microsoft | Microsoft Windows 8 Account Picture Format |
| Estensione ACCT | IBM | IBM AIX System |
| Estensione ACD | Sony | Sonic Foundry ACID Audio Format |
| Estensione ACD-BAK | Sony | Sony ACID Project Backup Format |
| Estensione ACD-ZIP | Sony | Sony ACID Compressed Project Format |
| Estensione ACE | WinAce | WinACE Compressed Ace Archive Format |
| Estensione ACF | Adobe Systems | Adobe Photoshop Custom Filter |
| Estensione ACFM | Adobe Systems | Adobe Composite Font Metrics Format |
| Estensione ACG | Microsoft | Microsoft Agent Preview Format |
| Estensione ACGD | Johns Hopkins University | ACG System Predictive Model |
| Estensione ACGI | N/A | ACGI Script (WWW) |
| Estensione ACGL | Johns Hopkins University | ACG System Licence |
| Estensione ACH | Rockwell Automation, Inc. | RSLogix 5 Project |
| Estensione ACI | ACI | ACI Development Appraisal |
| Estensione ACK | N/A | Swifty |
| Estensione ACL | Microsoft | Microsoft Office Automatic Correction List |
| Estensione ACLOCK | Amazing-Clock.com | Amazing Clock |
| Estensione ACM | BioWare | ACM Compressed Sound Format |
| Estensione ACMD | Zecos Software | Apache Commander Project |
| Estensione ACO | Adobe Systems | Adobe Photoshop Color Palette And Swatches Format |
| Estensione ACORN | Flying Meat | Acorn Draw Format |
| Estensione ACP | Alfresco Software | Alfresco Exported Repository Format |
| Estensione ACQ | GT Technologies | AcqURL Bookmark Manager |
| Estensione ACR | Acr-Soft | ACRobot Script Format |
| Estensione ACROBATSECURITYSETTINGS | Adobe Systems | Adobe Acrobat Security Settings Format |
| Estensione ACRODATA | Adobe Systems | Adobe Acrobat Data Format |
| Estensione ACROPLUGIN | Adobe Systems | Adobe Acrobat Plug-in Format |
| Estensione ACRS | Adobe Systems Incorporated | Adobe Authorware |
| Estensione ACRYPT | Tension Software | AutoCrypt Encrypted Document |
| Estensione ACS | Microsoft | Microsoft Agent Character Structured Storage Format |
| Estensione ACS2 | AIMP DevTeam | AIMP Media Player Skin |
| Estensione ACS3 | AIMP DevTeam | AIMP Skin Package |
| Estensione ACSM | Adobe Systems | Adobe Content Server Message Format |
| Estensione ACT | N/A | ADPCM Compressed Audio Format |
| Estensione ACT! | The Sage Group plc | Act! |
| Estensione ACTION | Apple | Mac OS X Automator Action Format |
| Estensione ACTIONS | Impressum | Photoline 4 Defaults |
| Estensione ACTIONSCRIPTPROPERTIES | Adobe Systems Incorporated | Adobe Flex Settings |
| Estensione ACTIVITYDIAGRAM | Microsoft Corporation | Microsoft Visual Studio Activity Diagram |
| Estensione ACTM | Autodesk | Autodesk AutoCAD Action Macro Format |
| Estensione ACTPROJ | Microsoft Corporation | Microsoft Visual Studio Visual SourceSafe ACT Project |
| Estensione ACTX | Invisionsoft | DS Game Maker Action Description Format |
| Estensione ACU | Micro Focus International plc | Machine Independent COBOL Object |
| Estensione ACV | Adobe Systems | Adobe Photoshop Colour Curves Format |
| Estensione ACW | Microsoft | Microsoft Accessibility Wizard Format |
| Estensione ACX | Atari | Atari ST Program Format |
| Estensione AD | Berkeley Systems | After Dark Screen Saver Format |
| Estensione AD1 | AccessData Group, LLC. | Forensic Toolkit FTK Imager Image |
| Estensione AD3E | Adobe Systems Incorporated | Adobe Dimensions Mac |
| Estensione AD65 | Adobe Systems Incorporated | PageMaker 6.5 |
| Estensione ADA | N/A | ADA Language Source Code Format |
| Estensione ADADOWNLOAD | Adobe Systems | Adobe Download Assistant Partially Completed Download Format |
| Estensione ADB | N/A | Ada Package Body Format |
| Estensione ADBA | Raytheon Company | AIMSS Author Project Configuration |
| Estensione ADBLOCK | Alpha Software, Inc. | Alpha Five Temporary |
| Estensione ADC | Steffen Gutmann | Scanstudio 16 Colours Bitmap Graphics |
| Estensione ADCP | Adobe Systems | Adobe Device Centra Project |
| Estensione ADD | Microsoft | Microsoft Dynamics AX Developer Documentation Format |
| Estensione ADDIN | Microsoft | Microsoft Visual Studio Addin Format |
| Estensione ADDON | Zaplots | CFS Console Add-on Format |
| Estensione ADDR | Ymir Entertainment Co., Ltd. | Metin2 Data |
| Estensione ADE | N/A | Microsoft Access Compiled Project Format |
| Estensione ADF | N/A | Amiga Disk Format |
| Estensione ADG | Ableton AG | Ableton Live Device Group Format |
| Estensione ADH | Amazon.com, Inc. | Audible Manager |
| Estensione ADI | Active@ Data Recovery Software | Active@ Disk Image Format |
| Estensione ADIUMEMOTICON | The Adium Team | Adium Dock Icon |
| Estensione ADIUMEMOTICONSET | The Adium Team | Adium Emoticon Set |
| Estensione ADIUMHTMLLOG | The Adium Team | Adium HTML Log |
| Estensione ADIUMICON | The Adium Team | Adium Icon |
| Estensione ADIUMLIBPURPLEPLUGIN | The Adium Team | Adium Lib Purple Plugin |
| Estensione ADIUMLISTLAYOUT | The Adium Team | Adium List Layout |
| Estensione ADIUMLISTTHEME | The Adium Team | Adium List Theme |
| Estensione ADIUMLOG | The Adium Team | Adium Log |
| Estensione ADIUMMENUBARICONS | The Adium Team | Adium Menu Bar Icon |
| Estensione ADIUMMESSAGESTYLE | The Adium Team | Adium Message Style |
| Estensione ADIUMPLUGIN | The Adium Team | Adium Plugin |
| Estensione ADIUMSCRIPTS | The Adium Team | Adium AppleScripts |
| Estensione ADIUMSERVICEICONS | The Adium Team | Adium Service Icons |
| Estensione ADIUMSOUNDSET | The Adium Team | Adium Sound Set |
| Estensione ADIUMSTATUSICONS | The Adium Team | Adium Status Icon |
| Estensione ADJ | LISTECH | LISCAD Adjustment |
| Estensione ADJUSTMENTPRESETS | Apple, Inc. | Apple Aperture Preset |
| Estensione ADK | IBM | OS/2 Saved SKF Format |
| Estensione ADL | Symantec Corporation | QEMM MicroChannel Adapter Description Library |
| Estensione ADLS | openEHR | ADL Workbench |
| Estensione ADM | N/A | Administrator Policy Template Format |
| Estensione ADML | Microsoft | Microsoft Administrative Language-specific XML Template Format |
| Estensione ADMX | Microsoft | Microsoft Administrative XML Template Format |
| Estensione ADN | Microsoft | Microsoft Access Blank Project Template |
| Estensione ADO | Adobe Systems | Adobe Photoshop Duotone Format |
| Estensione ADOBEBRIDGE | Adobe Systems Incorporated | Adobe Bridge |
| Estensione ADOBENET | Adobe Systems Incorporated | Adobe Production Studio |
| Estensione ADOC | N/A | Authentica Secure Office Encoded Word Document |
| Estensione ADOS | ADOS Corporation | Compound Document |
| Estensione ADOX | ActivDox | ActivDox Document Format |
| Estensione ADP | Microsoft | Microsoft Access Project Format |
| Estensione ADPP | Adobe Systems | Adobe Device Central Package Profile |
| Estensione ADR | N/A | Opera Bookmarks Format |
| Estensione ADRG | Global Mapper Software LLC | ARC Digitized Raster Graphics |
| Estensione ADS | N/A | Ada Package Specification |
| Estensione ADSK | Autodesk, Inc. | Autodesk Exchange |
| Estensione ADSM | Nikolas Ehrenberg | Advanced Split Machine Split |
| Estensione ADT | Sage Software | ACT! Document Template Format |
| Estensione ADTG | N/A | Advanced Data TableGram |
| Estensione ADTS | N/A | Audio Data Transport Stream |
| Estensione ADU | Addictive Software | Dictionary Format |
| Estensione ADV | Nortek | Nortek Acoustic Doppler Velocimeter Format |
| Estensione ADVS | Adobe Systems | Adobe Device Central Format |
| Estensione ADW | Dr. K. Srinivasan | Tamil Transliterater/font Converter |
| Estensione ADX | N/A | Approach Database Index Format |
| Estensione ADZ | N/A | Amiga Emulator Compressed ADF Format |
| Estensione AD_ASM | Alibre Inc. | Alibre Design CAD |
| Estensione AD_PRT | Alibre Inc. | Alibre Design CAD |
| Estensione AE0 | NetBSD Foundation, Inc. | NetBSD Ethernet Configuration |
| Estensione AE1 | FileMaker, Inc. | FileMaker Pro Runtime Database |
| Estensione AEA | Google AdWords Editor Archive Format | |
| Estensione AEB | Planit Solutions Inc. | Alphacam Wire EDM VB Macro |
| Estensione AEC | MAXON | Cinema 4D Adobe After Effects Import Composition Format |
| Estensione AED | Planit Solutions Inc. | Alphacam Wire EDM Drawing |
| Estensione AEE | ASUSTeK Computer Inc. | ASUS Data Security Manager Encoded |
| Estensione AEF | ACERI, S. A. | ELECTRICAL Designer Related |
| Estensione AEH | Visual Vision | IPer Advanced Embedded Hypertext |
| Estensione AEM | Planit Solutions Inc. | Alphacam Wire EDM Parameter Macro |
| Estensione AEP | Adobe Systems | Adobe After Effects Project Format |
| Estensione AEPKEY | InterCrypto | Advanced Encryption Package Key Format |
| Estensione AEPX | Adobe Systems | Adobe After Effects XML Project Format |
| Estensione AER | Adobe Systems Incorporated | Adobe Atmosphere |
| Estensione AES | Packetizer | AES Crypt Encrypted Format |
| Estensione AET | Adobe Systems | Adobe After Effects Template Format |
| Estensione AETX | Adobe Systems | Adobe After Effects Format |
| Estensione AEU | Microsoft Corporation | Microsoft AutoRoute Express Europe Route |
| Estensione AEX | Alpha Software | Greetings Card Format |
| Estensione AEXPK | PGP Corporation | PGP Armored Extracted Public Key |
| Estensione AF | Serif Europe Ltd. | 3DPlus Model |
| Estensione AF2 | iGrafx | Micrografx FlowCharter 2.0 Flowchart Format |
| Estensione AF3 | iGrafx | Micrografx FlowCharter Flowchart Format |
| Estensione AFA | Fantiusen Software | Astrotite Compressed Data |
| Estensione AFB | Planit Solutions Inc. | Alphacam Flame VB Macro |
| Estensione AFC | Electronic Arts | Mass Effect Audio Format |
| Estensione AFD | Planit | Alphacam Flame Drawing Format |
| Estensione AFE | Avid Technology | Avid Media Metadata Format |
| Estensione AFF | Basis Technology | Advanced Forensics Format Disk Image |
| Estensione AFG | JHI Plant Bioinformatics Group | Tablet Assembly |
| Estensione AFL | DeLorme | XMap Related |
| Estensione AFM | N/A | Adobe Font Metrics Format |
| Estensione AFN | Delcam plc | ArtCAM Font |
| Estensione AFO | SoftPrime Development | Advanced File Organizer Catalog |
| Estensione AFO-XVID | N/A | Compressed Video |
| Estensione AFP | AndrosaSoft | FileProtector Encrypted Format |
| Estensione AFPLOC | Apple | Apple Mac OS X Filing Protocol Location Format |
| Estensione AFPP | N/A | Mac Apple Share |
| Estensione AFR | N/A | FreeBSD |
| Estensione AFS | Bentley Systems | STAAD.foundation Project Format |
| Estensione AFS3 | Osborn Software | AFS 3 Basic Encrypted |
| Estensione AFT | Ancestry.com | Family Tree Data Format |
| Estensione AFW | iGrafx, LCC. | Micrografx FlowCharter Work Area |
| Estensione AFX | Auto FX Software | Auto F/X Image Format |
| Estensione AFZ | Ancestry.com Inc. | Family Tree Backup |
| Estensione AG | IBM | Applix Graphics |
| Estensione AG4 | Microsoft Corporation | Microsoft Access G4 |
| Estensione AGA | Esri | ArcGIS ArcGlobe |
| Estensione AGB | N/A | Game Boy Advance ROM |
| Estensione AGC | John Bridges | Compiled Script |
| Estensione AGD | AgileGraph | Agile Advantage Format |
| Estensione AGD1 | Adobe Systems Incorporated | Adobe FreeHand For Mac Drawing |
| Estensione AGD2 | Adobe Systems Incorporated | Adobe FreeHand 7 For Mac |
| Estensione AGDB | ANSYS Inc. | ANSYS DesignSpace |
| Estensione AGE3REC | Microsoft Studios | Age Of Empires III Recorded Game |
| Estensione AGE3SAV | Microsoft Studios | Age Of Empires III Save Game |
| Estensione AGE3SCN | Microsoft | Age Of Empires III Scenario Format |
| Estensione AGE3XREC | Microsoft Studios | Age Of Empires III: The WarChiefs Recorded |
| Estensione AGE3XSAV | Microsoft Studios | Age Of Empires III: The WarChiefs Save Game |
| Estensione AGE3XSCN | Microsoft Studios | Age Of Empires III: The WarChiefs Scenario |
| Estensione AGE3YREC | Microsoft Studios | Age Of Empires III: The Asian Dynasties Recorded Game |
| Estensione AGE3YSAV | Microsoft Studios | Age Of Empires III: The Asian Dynasties Save Game |
| Estensione AGE3YSCN | Microsoft Studios | Age Of Empires III: The Asian Dynasties Scenario |
| Estensione AGENT | Forté Inc. | Forte Agent And FreeAgent Data |
| Estensione AGEO | Dream Aquarium | Dream Aquarium Fish Model |
| Estensione AGF | Esri | Atlas GIS Native Binary Geodataset |
| Estensione AGG | BedRock Software Inc. | AggFlow Plant Flow Analysis |
| Estensione AGGR | Adobe Systems | Adobe Captivate Aggregator Format |
| Estensione AGI | Digium | Asterisk Gateway Interface Format |
| Estensione AGIF | Image Tools Group | Active GIF Creator Project Format |
| Estensione AGILEKEYCHAIN | AgileBits Inc. | 1Password Data |
| Estensione AGL | Planaria Software LLC. | ArgusLab Molecular Graphics Modelling |
| Estensione AGLDEI | Adobe Systems Incorporated | Adobe GoLive Template |
| Estensione AGLS | Adobe Systems Incorporated | Adobe GoLive Snippet |
| Estensione AGLSL | Adobe Systems Incorporated | Adobe GoLive Site |
| Estensione AGM | DTS | DTS Multi-channel Pro Packer Format |
| Estensione AGMODULE | Adobe Systems Incorporated | Adobe Lightroom Module |
| Estensione AGO | Soft Machines | Autolog Script |
| Estensione AGP | RL Vision | ArtGem Project Format |
| Estensione AGPREFS | Adobe Systems Incorporated | Adobe Photoshop Lightroom Preferences |
| Estensione AGR | Ableton | Ableton Live Groove Format |
| Estensione AGS | John Bridges | AfterGRASP Script |
| Estensione AGTEMPLATE | Adobe Systems Incorporated | Adobe Photoshop Lightroom Preset |
| Estensione AGTOOLKIT | Adobe Systems Incorporated | Adobe Photoshop Lightroom |
| Estensione AGV | Esri | ArcGlobe Video Metadata |
| Estensione AGW | Aspen Research Group Ltd. | Aspen Graphics |
| Estensione AGWL | Distributed and Parallel Systems - University of Innsbruck | Abstract Grid Workflow Language |
| Estensione AGX | IBM | Rational XDE |
| Estensione AGX1 | Adobe Systems Incorporated | Adobe FreeHand For Mac Extension |
| Estensione AGZ | BedRock Software Inc. | AggFlow Aggregate Plant Flow Diagram |
| Estensione AH | The FreeBSD Foundation | FreeBSD |
| Estensione AHB | Cosby Clifton Computer Consultants Ltd | AIM High Briefcase Report |
| Estensione AHC | Capcom Co., Ltd. | Resident Evil 4 |
| Estensione AHD | Microsoft | Microsoft Dynamics AX On-line Help Data Format |
| Estensione AHF | N/A | Aces High Film |
| Estensione AHI | Microsoft | Microsoft Dynamics AX Online Help Index Format |
| Estensione AHK | AutoHotkey | AutoHotkey Script Format |
| Estensione AHL | eMule | EMule Metadata Format |
| Estensione AHOD | Relic Entertainment Inc. | Homeworld |
| Estensione AHP | Autodesk, Inc. | AutoCAD Help |
| Estensione AHS | Adobe Systems | Adobe Photoshop Halftone Screens Format |
| Estensione AHTM | N/A | HTML |
| Estensione AHTML | N/A | HTML |
| Estensione AHU | Adobe Systems | Adobe Photoshop Hue Saturation Lightness Format |
| Estensione AHX | N/A | WinAHX Tracker Module Format |
| Estensione AI | Adobe Systems | Adobe Illustrator Graphics Format |
| Estensione AI3 | Adobe Systems Incorporated | Generic Encapsulated PostScript Graphic Format |
| Estensione AI4 | Adobe Systems Incorporated | Generic Encapsulated PostScript Graphic |
| Estensione AI5 | Adobe Systems Incorporated | Generic Encapsulated PostScript Graphic |
| Estensione AI6 | Adobe Systems Incorporated | Generic Encapsulated PostScript Graphic |
| Estensione AI65 | Adobe Systems Incorporated | Adobe PageMaker For Mac Extension |
| Estensione AI7 | Adobe Systems Incorporated | Generic Encapsulated PostScript Graphic |
| Estensione AI8 | Adobe Systems Incorporated | Generic Encapsulated PostScript Graphic Format |
| Estensione AIA | Adobe Systems | Adobe Illustrator Action Format |
| Estensione AIC | N/A | Advanced Image Coding Format |
| Estensione AID | Activision | Star Trek Armada Arficicial Intelligence Parameters |
| Estensione AIDL | Google Inc. | AIDL Interface |
| Estensione AIF | Apple | Audio Interchange File Format Sound Format |
| Estensione AIFB | Symbian | AIF Builder Project Format |
| Estensione AIFC | N/A | Audio Interchange File Format Sound File With Compression |
| Estensione AIFF | Apple | Audio Interchange File Format |
| Estensione AIFR | N/A | Audio Interchange File Format |
| Estensione AIG | MCS Investments, Inc. | Architecture Drawing |
| Estensione AIH | Esri | Attribute Index |
| Estensione AIJ | Oracle Corporation | Oracle After-Image Journal |
| Estensione AIL | Mystik Media | AutoImager |
| Estensione AIM | AOL | AOL Instant Message Launch Format |
| Estensione AIMPPL | AIMP DevTeam | AIMP Media Player Playlist Format |
| Estensione AIN | N/A | AIN Compressed File Archive |
| Estensione AIO | N/A | Bitmap |
| Estensione AIP | N/A | Adobe Illustrator Plugin Format |
| Estensione AIR | Adobe Systems | Adobe AIR Rich Internet Applications |
| Estensione AIRAPPLICATION | Adobe Systems Incorporated | Adobe AIR Application |
| Estensione AIRI | Adobe Systems Incorporated | Adobe AIR Intermediate |
| Estensione AIRPORT | Knife Edge Software | RealFlight Simulator |
| Estensione AIRPORTS | Knife Edge Software | RealFlight Airports Data |
| Estensione AIS | ACD Systems | ACDSee Album Image Sequence Format |
| Estensione AIT | Adobe Systems | Adobe Illustrator Template Format |
| Estensione AIU | Caphyon | Advanced Installer Updates Configuration Format |
| Estensione AIV | EllaZ Systems | AIVault Data Format |
| Estensione AIW | Sony Corporation | Formula One 2001 Game |
| Estensione AIX | IBM | IBM AIX |
| Estensione AJA | AJC Systems Ltd. | Backup Revision Control Archive |
| Estensione AJB | Planit Solutions Inc. | Alphacam Water Jet VB Macro |
| Estensione AJD | Planit Solutions Inc. | Alphacam Water Jet Drawing |
| Estensione AJG | AJC Systems Ltd. | AJC Grep Project |
| Estensione AJL | CA Technologies | CA ARCserve Backup Journal |
| Estensione AJM | Planit Solutions Inc. | Alphacam Water Jet Parameter Macro |
| Estensione AJP | N/A | AJP Player Video Format |
| Estensione AKAI | N/A | Akai S-series Floppy Disk Image |
| Estensione AKF | Adobe Systems Incorporated | Adobe Acrobat Key |
| Estensione AKM | Srinivas Annam | Aksharamala Keymap Binary |
| Estensione AKP | N/A | Akai S5000, S6000 Program Format |
| Estensione AKS | Srinivas Annam | Aksharamala Keymap Binary |
| Estensione AKT | Srinivas Annam | Aksharamala Keymap Source |
| Estensione AKW | Adobe Systems Incorporated | Adobe RoboHelp Help Project Index Designer |
| Estensione AL | N/A | A-Law Compressed Sound Format |
| Estensione AL3 | ACORD | Electronic Data Interchange |
| Estensione AL8 | SWGSoft Inc. | AAA Logo Project |
| Estensione ALA | Michael Arnaud | Alan Interactive Fiction Language |
| Estensione ALAC | Apple | ALAC Encoded Audio Format |
| Estensione ALARMZ | Francis Gagné | Alarmz Alarm |
| Estensione ALAW | N/A | A-law G.711 European Telephony Format |
| Estensione ALB | Alpha Software | Alpha Five Data Dictionary |
| Estensione ALB3 | Adobe Systems Incorporated | Adobe PageMaker Document |
| Estensione ALB4 | Adobe Systems Incorporated | Adobe PageMaker For Mac Document |
| Estensione ALB5 | Adobe Systems Incorporated | Adobe PageMaker 5 Document |
| Estensione ALB6 | Adobe Systems Incorporated | Adobe PageMaker For Mac |
| Estensione ALBM | HP | Photo Album Format |
| Estensione ALBUM | N/A | Thumbnail Cache |
| Estensione ALC | Microsoft | Microsoft Dynamics AX Label Description Format |
| Estensione ALC4 | Adobe Systems Incorporated | Adobe PageMaker For Mac Dictionary |
| Estensione ALCO | Alco Blom | URL Manager Pro |
| Estensione ALD | Microsoft | Microsoft Dynamics AX Application Label Data Format |
| Estensione ALD2 | Adobe Systems Incorporated | Adobe Pagemaker For Mac |
| Estensione ALD3 | Adobe Systems Incorporated | Adobe PageMaker 3 For Mac |
| Estensione ALD4 | Adobe Systems Incorporated | Adobe Pagemaker 4 For Mac |
| Estensione ALD5 | Adobe Systems Incorporated | Adobe Pagemaker 6 For Mac |
| Estensione ALD6 | Adobe Systems Incorporated | Adobe PageMaker 6 For Mac |
| Estensione ALDF | Stichting Aldfaer | Aldefaer Data |
| Estensione ALE | Avid Technology | Avid Log File Format |
| Estensione ALF | The Sage Group | ACT! Lookup Format |
| Estensione ALF6 | Adobe Systems Incorporated | PageMaker Default |
| Estensione ALG | ERDAS, Inc. | ER Mapper Algorithm |
| Estensione ALH5 | Adobe Systems Incorporated | Adobe PageMaker Add-in |
| Estensione ALI | Microsoft | Microsoft Dynamics AX Label Index Format |
| Estensione ALIAS | N/A | Alias Image |
| Estensione ALIASES | National Instruments Corporation | LabVIEW IP Adresses Map |
| Estensione ALL | Steinberg | Cubasis Project Format |
| Estensione ALLOW | Various Linux developers | Linux Access |
| Estensione ALM | Alpha Software, Inc. | Alpha Five Database Information |
| Estensione ALMB | N/A | Mac OS 8.1 Action Module Data |
| Estensione ALMN | Apple, Inc. | Location Manager Module |
| Estensione ALN | UltraTech Group | LexNavigator Database Update |
| Estensione ALO | LucasArts Entertainment Company, LLC | Star Wars: Empire At War Game |
| Estensione ALP | Ableton | Ableton Live Pack Format |
| Estensione ALR | Campbell Wild | ADRIFT Language Resource Format |
| Estensione ALS | Ableton | Ableton Live Project Format |
| Estensione ALT | Microsoft | Microsoft Dynamics AX Temporary Format |
| Estensione ALT3 | Adobe Systems Incorporated | Adobe PageMaker Template |
| Estensione ALT4 | Adobe Systems Incorporated | Adobe Pagemaker For Mac |
| Estensione ALT5 | N/A | Adobe Pagemaker 5 For Mac Document |
| Estensione ALT6 | Adobe Systems Incorporated | Adobe PageMaker 6 |
| Estensione ALTH | Excel Software | QuickHelp For Mac |
| Estensione ALTP | Excel Software | QuickHelp |
| Estensione ALTQ | N/A | QuickView Settings |
| Estensione ALTV | N/A | QuickView Help |
| Estensione ALV | Adobe Systems | Adobe Photoshop Levels Format |
| Estensione ALW | N/A | A-law G.711 European Telephony Format |
| Estensione ALX | Microsoft | Internet Script Language Defines 2-D Layout ActiveX Layout Format |
| Estensione ALY | The Sage Group plc | Sage ACT! |
| Estensione ALZ | ESTsoft | ALZip Compressed Format |
| Estensione AM | Automake | GLPK Automake/autoconf Makefile Definitions Format |
| Estensione AM1 | The Adventure Maker Team | Adventure Maker Project Format |
| Estensione AM2 | Indigo Rose Corporation | AutoPlay Menu Studio Ver.2 Data |
| Estensione AM3 | Indigo Rose Corporation | AutoPlay Menu Studio Ver.3 Data |
| Estensione AM4 | Indigo Rose | AutoPlay Menu Studio Version 4 Project Format |
| Estensione AM5 | Indigo Rose | AutoPlay Menu Studio Ver.5 Data Format |
| Estensione AM6 | Indigo Rose | AutoPlay Menu Studio Ver.6 Data Format |
| Estensione AM7 | Indigo Rose | AutoPlay Menu Studio Ver.7 Data Format |
| Estensione AMA | Electronic Arts, Inc. | Fifa2000 Feart |
| Estensione AMAYA | W3C | Amaya |
| Estensione AMB | Paragon Decision Technology | AIMMS Model Format |
| Estensione AMC | N/A | Ant Movie Catalog Format |
| Estensione AMD | Planit Solutions Inc. | Alphacam 3D Mill, 2D Mill Drawing |
| Estensione AME | The Sage Group plc | ACT! E-mail System Library |
| Estensione AMF | N/A | DSMIA/Asylum Module Music Format |
| Estensione AMFM | Adobe Systems | Adobe Multiple Font Metrics Format |
| Estensione AMI | N/A | Amica Paint |
| Estensione AMIPRO | N/A | Ami Pro Table Structure |
| Estensione AMJ | MechCAD | AceMoney |
| Estensione AMK | MechCAD | AceMoney Backup |
| Estensione AML | Microsoft | Microsoft Assistance Markup Language |
| Estensione AMM | Bolide Software | All My Movies Film Database Format |
| Estensione AMO | AOL Inc. | AIM AOL Instant Messenger UI Extension |
| Estensione AMODEL | KAISHA-Tec Co. Ltd | ActiveModeler Project |
| Estensione AMOS | IBM | AMOS Basic Code |
| Estensione AMP | Adobe Systems | Adobe Photoshop Arbitrary Map Settings Format |
| Estensione AMR | N/A | Adaptive Multi-Rate Compressed Audio Format |
| Estensione AMS | N/A | Adobe Monitor Setup Format |
| Estensione AMSM | AtomPark Software Inc. | Atomic Mail Sender Project |
| Estensione AMSORM | Xcira | OnLine Ringman Format |
| Estensione AMST | AtomPark Software Inc. | Atomic Mail Sender Template |
| Estensione AMT | N/A | Abbyy Finereader 5.0 Pro |
| Estensione AMT50 | N/A | BERNINA V5.0 Embroidery Software Template |
| Estensione AMT60 | N/A | BERNINA V6.0 Embroidery Software Template |
| Estensione AMU | Sony | Sony PictureGear Studio Photo Album Format |
| Estensione AMV | N/A | AMV Video File Format |
| Estensione AMW | Alcorn McBride, Inc. | Alcorn McBride Show Controller |
| Estensione AMX | Adobe Systems | Adobe Motion Exchange Format |
| Estensione AMXD | Ableton | Max For Live Project Format |
| Estensione AMXX | N/A | AMX Mod X Plug-in Format |
| Estensione AMZ | Amazon | Amazon MP3 Downloader Format |
| Estensione AN | Adobe Systems | Adobe Edge Animate Project Format |
| Estensione AN1 | DeLorme | DeLorme Street Atlas Drawing Format |
| Estensione AN2 | Argonaut Software | Croc Animation Format |
| Estensione AN8 | Steven Glanville | Anim8or 3D Animation Format |
| Estensione ANA | Cuylaerts Engineering | Analysis For Windows |
| Estensione ANAT | N/A | XNBC Network Anatomy |
| Estensione ANC | Planit Solutions Inc. | Alphacam NC Program |
| Estensione ANDROID | N/A | Readme |
| Estensione ANE | Adobe Systems | Adobe AIR Native Extension Format |
| Estensione ANF | ANSYS Inc. | ANSYS DesignModeler |
| Estensione ANG | TSS-Transport Simulation Systems | AIMSUN NG Related |
| Estensione ANH | Birch Grove Software, Inc. | ActivTrak Net View History |
| Estensione ANI | Microsoft | Animated Cursor |
| Estensione ANIM | Autodesk | Autodesk Maya Animation Format |
| Estensione ANIMSET | OC3 Entertainment | FaceFX Animation Set Format |
| Estensione ANIMSET_INGAME | OC3 Entertainment | FaceFX In-Game Animation Set Format |
| Estensione ANISO | Chemical Crystallography Laboratory, Oxford | Chemical Crystallography |
| Estensione ANJUTA | The GNOME Project | Anjuta DevStudio Project Format |
| Estensione ANKI | Damien Elmes | Anki Deck |
| Estensione ANL | Aivosto Oy | Project Analyzer Saved Analysis |
| Estensione ANM | N/A | 3D Animation Format |
| Estensione ANME | Smith Micro | Anime Studio Project Format |
| Estensione ANN | N/A | Microsoft Windows Help Annotation Format |
| Estensione ANNOT | Adobe Systems | Adobe Digital Editions Annotations Format |
| Estensione ANR | DeLorme | DeLorme Street Atlas Route |
| Estensione ANS | N/A | ANSI Text File (ANSI Art) |
| Estensione ANSR | DTLink LLC | AnswerTool Answer Document |
| Estensione ANSYM | Adobe Systems | Adobe Edge Animate Library Format |
| Estensione ANT | SFR GmbH | CalcAnt Saved Calculation |
| Estensione ANTIFRAG | N/A | DC++ Incomplete Download |
| Estensione ANTISPAM5 | Intego | Personal AntiSpam Settings Format |
| Estensione ANTMPL | Adobe Systems Incorporated | Adobe Edge Animate Template |
| Estensione ANV | N/A | AirNav Image |
| Estensione ANX | HotDocs | HotDocs Answer Format |
| Estensione ANY | DRail Modelspoor | AnyRail Layout Plan Format |
| Estensione ANYDVDHD | SlySoft | AnyDVD Registration Key |
| Estensione AO | Green Parrots Software | ActionOutline Data |
| Estensione AOB | N/A | DVD Audio Object Format |
| Estensione AOD | Microsoft | Microsoft Dynamics AX Object Data Format |
| Estensione AOF | Abvent Group | Artlantis Object Format |
| Estensione AOI | Microsoft | Microsoft Dynamics AX Application Object Index Format |
| Estensione AOIS | Zaplots | CFS Console Add-on Installer Settings Format |
| Estensione AOL | AOL | America On-line Related Format |
| Estensione AOM | Adobe Systems | Adobe After Effects Output Settings Format |
| Estensione AOP | Red Hat, Inc. | JBoss AS JAR Archive |
| Estensione AOS | ARCHOS | Archos Signed Encrypted Data Format |
| Estensione AOT | N/A | ZenWorks SnAppShot Application Binary Object Template |
| Estensione AP | Fifth Generation Systems | Fifth Generation Systems Active Page Format |
| Estensione AP0 | Microsoft Corporation | Microsoft Windows APW_data |
| Estensione AP2 | Promethean World plc | ActivInspire Resource Pack |
| Estensione AP3 | Asprova Corporation | Asprova Project |
| Estensione AP? | Terry A. Davis | LoseThos C+ Source |
| Estensione APA | Rockwell Automation | RSView Application Manager Archive |
| Estensione APALBUM | Apple | Apple Aperture Album Format |
| Estensione APB | Planit Solutions Inc. | Alphacam Punch VB Macro |
| Estensione APC | IBM | Lotus Printer Driver Characters |
| Estensione APCDOC | Ashampoo GmbH & Co. KG | Ashampoo Photo Commander |
| Estensione APD | ACD Systems | ACDSee Photo Document |
| Estensione APDB | Apple, Inc. | Apple Aperture Library |
| Estensione APDETECTED | Apple, Inc. | Apple IPhoto |
| Estensione APDISK | Apple, Inc. | Apple Mac OS X Related |
| Estensione APE | Monkey's Audio | Monkeys Audio Lossless Audio Compression Format |
| Estensione APERTUREEDIT | Apple, Inc. | Apple Aperture |
| Estensione APERTUREEXPORT | Apple, Inc. | Apple Aperture |
| Estensione APEX | N/A | AVM Sample Studio Bank |
| Estensione APF | Adobe Systems | Adobe Acrobat Profile Format |
| Estensione APFACENAME | Apple, Inc. | Apple IPhoto Face Data |
| Estensione APG | N/A | APGen Script |
| Estensione APH | Ability Plus Software | Ability Photoalbum Album Database Format |
| Estensione API | Adobe Systems | Adobe Acrobat Plugin Format |
| Estensione APIN | Adobe Systems Incorporated | Adobe InDesign Import/export Filter |
| Estensione API_FILTERS | The Eclipse Foundation | Eclipse API Settings |
| Estensione APJ | Autodesk, Inc. | AutoCAD Project |
| Estensione APK | Google Android Package Format | |
| Estensione APL | ACD Systems | ACDSee Plug-in Format |
| Estensione APLG | RapidSolution Software | Audials One Add-on Format |
| Estensione APLIBRARY | Apple | Aperture Pictures Library Database Format |
| Estensione APLMODEL | Apple, Inc. | Apple ICal |
| Estensione APLN | Adobe Systems Incorporated | Adobe InDesign 3rd Party Extension |
| Estensione APLP | RapidSolution Software | Audials One Add-on Installation Package Format |
| Estensione APLT | Apple, Inc. | Mac OS X AppleScript Applet |
| Estensione APM | Adobe Systems | Aldus Placeable Metafile |
| Estensione APNG | N/A | Animated Portable Network Graphics Format |
| Estensione APNX | Amazon | Amazon Kindle Index Format |
| Estensione APO | Abacre Limited | Abacre Paperless Office |
| Estensione APP | Apple | MAC Application Package Or Core System Service Format |
| Estensione APP-SE | N/A | Sony Ericsson XPERIA X10 |
| Estensione APPCACHE | N/A | HTML5 Cache Manifest |
| Estensione APPDATA | VMware, Inc. | VMware Cache |
| Estensione APPDOWNLOAD | Apple | Mac OS X App Store Incomplete Download Format |
| Estensione APPICON | VMware, Inc. | VMWare Cache |
| Estensione APPLE | N/A | Apple AppleSingle Data |
| Estensione APPLEDOUBLE | Apple, Inc. | Apple AppleDouble Resource |
| Estensione APPLESCRIPT | Apple | AppleScript Script Format |
| Estensione APPLESYNCINFO | Apple, Inc. | IOS |
| Estensione APPLET | Eclipse | Eclipse IDE For Java Developers Format |
| Estensione APPLETVIEWER | Oracle Corporation | Java Appletviewer |
| Estensione APPLE_PARTITION_MAP | Apple, Inc. | Apple Partition Scheme |
| Estensione APPLICATION | Microsoft | ClickOnce Deployment Manifest Format |
| Estensione APPREF-MS | Microsoft | Application Reference Format |
| Estensione APPUP | Erlang | Erlang Application Upgrade Format |
| Estensione APPV | Microsoft Corporation | App-V Archive |
| Estensione APPX | Microsoft | Microsoft AppX Application Package Format |
| Estensione APPXMANIFEST | N/A | Windows Store App Source Manifest |
| Estensione APPXSYM | Microsoft | Microsoft Visual Studio Windows 8 Application Information Format |
| Estensione APPXUPLOAD | Microsoft | Microsoft Visual Studio Windows 8 Application Upload Format |
| Estensione APR | ESRI | ArcView Project Format |
| Estensione APREF-MS | Microsoft Corporation | Application Reference |
| Estensione APRJ | Zecos Software | ApacheConf Project |
| Estensione APS | Microsoft | Microsoft Visual C++ Binary Version Of Resource Format |
| Estensione APSMARTALBUM | Apple, Inc. | Apple Aperture |
| Estensione APT | N/A | Almost Plain Text Format |
| Estensione APU | Audacity | Audacity Audio |
| Estensione APV | Dexadine, Inc. | Acerose Password |
| Estensione APVAULT | Apple, Inc. | Apple Aperture Vault |
| Estensione APW | RomanLab Co. Ltd. | Password |
| Estensione APX | Ability Plus Software | Ability Photopaint Image Format |
| Estensione APXL | Apple | Apple Keynote Presentation XML Document Settings Format |
| Estensione APXT | Apperson Education Products | DataLink Setting |
| Estensione APZ | Indigo Rose | AMS Shared Project Format |
| Estensione AP_ | Google Android Development Resources Package Format | |
| Estensione AQ | Incline Software, LC | Ancestral Quest Genealogy |
| Estensione AQ1 | RJ Software | AptiQuiz Test |
| Estensione AQA | RJ Software | AptiQuiz Result |
| Estensione AQC | Schlumberger Limited | AquaChem Database |
| Estensione AQF | Liquid Development, LLP | Aquifer-Generated Web Page |
| Estensione AQL | N/A | AOL DLL |
| Estensione AQM | MOBAC | AlpineQuest GPS Hiking Map Format |
| Estensione AQP | Articulate Global, Inc. | Quizmaker 08 And Older Quiz |
| Estensione AQQ | AQQ Sp. z o.o. | AQQ Extension |
| Estensione AQT | N/A | AQTitle Subtitles Format |
| Estensione AQZ | N/A | Amateur Radio Questionary Data |
| Estensione AR | N/A | Linux/Unix Command Library Format |
| Estensione AR-WMP | Rainer Goebel | BrainVoyager QX Anatomical-resolution Volume Map |
| Estensione ARA | LittleApps | Archivaldo Resource Archive |
| Estensione ARB | Planit Solutions Inc. | Alphacam Router VB Macro |
| Estensione ARBVP1 | Google Inc. | Google Earth Shader |
| Estensione ARC | Nokia | FreeArc Compressed Format |
| Estensione ARCH00 | Sierra | F.E.A.R. Game Archive Format |
| Estensione ARCH01 | Monolith Productions, Inc. | F.E.A.R. 2 Game |
| Estensione ARCHCFG | Monolith Productions, Inc. | F.E.A.R. 2 Project Origin Configuration |
| Estensione ARCHITECT | BSS Audio | Soundweb London Design |
| Estensione ARCHIVER | Incredible Bee | Incredible Bee Archiver Archive |
| Estensione ARCINFO | Esri | ArcInfo Info |
| Estensione ARCUT | Adobe Systems | Adobe Prelude Rough Cut Format |
| Estensione ARD | Esko | ArtiosCAD Workspace Format |
| Estensione ARE | BioWare | BioWare Aurora Engine Area |
| Estensione ARENA | id Software | Quake 3 Id Tech 3 Game Engine Arena Settings Format |
| Estensione ARF | WebEx Communicatons | WebEx Advanced Recording Format |
| Estensione ARFF | University of Waikato | Weka Attribute-relation Format |
| Estensione ARG | Autodesk | AutoCAD Profile Export Format |
| Estensione ARGO | Tigris.org | ArgoUML Project |
| Estensione ARH | Siemens | Siemens ProTool Compressed Project Format |
| Estensione ARI | N/A | ARI Compressed File Archive |
| Estensione ARIA | Plogue | Chipsounds Audio Format |
| Estensione ARIAX | Plogue | Chipsounds XML Sound Format |
| Estensione ARJ | ARJ Software | ARJ Compressed Archive Format |
| Estensione ARK | ARK11 | ARC File Archiver CPM/Port Archive Format |
| Estensione ARL | AOL | AOL Organizer Format |
| Estensione ARLC | Eidos Interactive Ltd. | Commandos 2 Men Of Courage Game |
| Estensione ARM | Silicon Realms Toolworks | SoftwarePassport Protection System |
| Estensione ARMA2OAPROFILE | Bohemia Interactive | ArmA 2 Settings |
| Estensione ARMA2PROFILE | Bohemia Interactive | ARMA2 Profile |
| Estensione ARMX | Microsoft Corporation | ASP.NET Source |
| Estensione ARMY | Microsoft Studios | Impossible Creatures Collection Of Created Creatures |
| Estensione ARN | N/A | Astronomical Research Network Image Format |
| Estensione ARO | Tomahawk Technologies | SteelArrow Script Format |
| Estensione ARP | Elcomsoft | Advanced RAR Password Recovery Preference Format |
| Estensione ARPACK | Ambient Design | ArtRage Package |
| Estensione ARPI | N/A | Adobe Extension |
| Estensione ARQ | BMC Software, Inc. | BSM Action Request System Client Macro |
| Estensione ARR | Elcomsoft | Advanced RAR Password Recovery Project Format |
| Estensione ARS | Adobe Systems | Adobe After Effects Render Settings Format |
| Estensione ARSC | Google Android Resource Format | |
| Estensione ARSCRIPT | Ambient Design | ArtRage Script |
| Estensione ART | AOL | Various Graphic Formats |
| Estensione ART42 | N/A | V1.x Explorations Projects |
| Estensione ART50 | BERNINA International AG | BERNINA V5.0 Embroidery Software Designs |
| Estensione ART6 | Articulate Global, Inc. | Articulate Presenter Compressed |
| Estensione ART60 | BERNINA International AG | BERNINA V6.0 Embroidery Software Designs |
| Estensione ARTB | Mapdiva | Artboard Vector Drawing Format |
| Estensione ARTF | Adobe Systems Incorporated | Adobe FreeHand Xtra |
| Estensione ARTPROJ | Versioned | Artifacts Project Format |
| Estensione ARTWORK | DrawingHand | ArtStudio Image Format |
| Estensione ARTX | Extensoft, Inc. | Artisteer Project |
| Estensione ARTZ | Adobe Systems Incorporated | Adobe Illustrator For Mac |
| Estensione ARU | N/A | Autorun.aru Malicious |
| Estensione ARV | Microsoft Corporation | Microsoft AutoRoute User Information |
| Estensione ARW | Sony | Sony Digital Camera RAW Image Format |
| Estensione ARX | Autodesk | AutoCAD Runtime Extension Format |
| Estensione ARXML | N/A | AUTOSAR XML |
| Estensione ARY | Hewlett-Packard Company | SmartStart Scripting Toolkit |
| Estensione ARZ | THQ | Titan Quest Game Database |
| Estensione AS | Adobe Systems | Adobe Flash ActionScript Document |
| Estensione AS$ | Microsoft Corporation | Microsoft Word Temporary |
| Estensione AS2 | Promethean World plc | ACTIVstudio Resource |
| Estensione AS2PROJ | FlashDevelop | FlashDevelop Project Format |
| Estensione AS3A | Promethean World plc | ActivInspire Resource |
| Estensione AS3PROJ | FlashDevelop | FlashDevelop ActionScript 3 Project Format |
| Estensione AS4 | askSam Systems | AskSam Backup Format |
| Estensione AS4A | Promethean World plc | ActivInspire Resource Pack |
| Estensione AS? | Terry A. Davis | LoseThos Assembly Source |
| Estensione ASA | N/A | Active Server Configuration Format |
| Estensione ASAT | N/A | Assemble SAT 3D Model Format |
| Estensione ASAX | Microsoft | ASP.NET Application Optional Source Format |
| Estensione ASB | Planit | Alphacam Stone VB Macro Format |
| Estensione ASBX | Microsoft Corporation | Microsoft ASP.Net BridgeHandler |
| Estensione ASC | Adobe Systems | ActionScript Format |
| Estensione ASCM | Adobe Systems Incorporated | Adobe Content Server Message |
| Estensione ASCS | Adobe Systems | ActionScript Communication Server Format |
| Estensione ASCX | Microsoft | Active Server Pages Web User Control Format |
| Estensione ASD | Microsoft | Microsoft Word Auto-save Document Format |
| Estensione ASDB | Afterwarp Development | Asphyre Sphinx Archive |
| Estensione ASDVDCRTPROJ | Aimersoft Studio | Aimersoft DVD Creator Project |
| Estensione ASE | Adobe Systems | Adobe Swatch Exchange Format |
| Estensione ASEC | Google Android Encrypted Application Package Format | |
| Estensione ASEF | Adobe Systems Incorporated | Adobe Swatch Exchange |
| Estensione ASEP | Milk Farm Software, ltd. | Separator For Mac |
| Estensione ASF | Microsoft | Advanced Systems (streaming) Format |
| Estensione ASG | Global Star Software | Airport Tycoon Saved Game |
| Estensione ASGP | Hewlett-Packard Company | HP-UX NIS Maps Configuration |
| Estensione ASH | Audiosurf | Audiosurf Audio Metadata Format |
| Estensione ASHBAK | Ashampoo | Ashampoo Burning Studio Backup Archive Format |
| Estensione ASHDISC | Ashampoo | Ashampoo Disk Image Format |
| Estensione ASHLANG | Ashampoo GmbH & Co. KG | Ashampoo Media Player+ |
| Estensione ASHPRJ | Ashampoo | Ashampoo Burning Studio Project Format |
| Estensione ASHX | Microsoft | ASP.NET Web Handler Format |
| Estensione ASI | Alpha Software | Alpha Five Storage Format |
| Estensione ASIC | N/A | ASIC Source |
| Estensione ASIS | Apache Software Foundation | Apache As Is |
| Estensione ASK | N/A | AskSam Database Format |
| Estensione ASL | N/A | Adobe Photoshop Layer Style Format |
| Estensione ASM | N/A | Assembler Source Code Format |
| Estensione ASMDOT | SolidWorks Corporation | SolidWorks Assembly Template |
| Estensione ASMPRP | SolidWorks Corporation | SolidWorks Assembly Custom Properties Tab Template |
| Estensione ASMX | Microsoft | Active Server Plus Web Services Source Format |
| Estensione ASN | IGN Entertainment, Inc. | GameSpy Arcade Skin |
| Estensione ASND | Adobe Systems | Adobe Soundbooth Sound Document Format |
| Estensione ASO | Adobe Systems Incorporated | Adobe Flash Cache |
| Estensione ASP | Microsoft | Active Server Page Script Page |
| Estensione ASP+ | Microsoft Corporation | ASP.NET ASP+ |
| Estensione ASPR | ASPACK SOFTWARE | ASProtect Related |
| Estensione ASPROJ | Microsoft Corporation | Microsoft Visual Studio Analysis Services Project |
| Estensione ASPX | Microsoft | Active Server Page Extended ASP.NET Script Format |
| Estensione ASR | Adobe Systems | Adobe Flash ActionScript Remote Format |
| Estensione ASRP | N/A | Arc Standard Raster Product |
| Estensione ASS | N/A | Advanced SubStation Alpha Subtitle Format |
| Estensione ASSET | Unity Technologies | Unity Asset Format |
| Estensione ASSISTANT | Hewlett-Packard Company | HP Printer Utility For Mac Assistant Plugin |
| Estensione ASSOC | Spearit Software, Inc. | Associate This Association Database |
| Estensione ASSTRM | Ubisoft Entertainment S.A. | Splinter Cell Blacklist Game Data |
| Estensione AST | Adobe Systems | Adobe Photoshop Colour Separation Table |
| Estensione AST2 | Fantiusen Software | Astrotite |
| Estensione ASTX | Adobe Systems Incorporated | Adobe Story Exported Script |
| Estensione ASU | SumTotal Systems, Inc. | ToolBook Package Definition |
| Estensione ASV | Adobe Systems | Adobe Photoshop Selective Colour Format |
| Estensione ASVF | Afterwarp Development | Asphyre Sphinx Archive |
| Estensione ASW | ACD Systems | ACDSee Slideshow Wizard Format |
| Estensione ASWCS | AVAST Software | Avast! Antivirus Skin |
| Estensione ASWS | AVAST Software | Avast! Antivirus Skin |
| Estensione ASX | Microsoft | Microsoft Advanced Streaming Redirector Format |
| Estensione ASXML | N/A | XML Music Playlist |
| Estensione ASY | Asymptote | Asymptote Module |
| Estensione ASZ | Terry A. Davis | LoseThos Assembly Source |
| Estensione AS_ | Microsoft Corporation | Winhelp Compressed |
| Estensione AT3 | Sony | Airport Tycoon 3 Saved Game |
| Estensione AT5 | Lowrance | Lowrance Chart Format |
| Estensione AT65 | Adobe Systems Incorporated | Adobe Pagemaker For Mac |
| Estensione ATA | Julian Spencer | Antenna Project |
| Estensione ATAHD | Puppy Linux | Puppy Linux ATA Hard Drive Flag Format |
| Estensione ATAK | N/A | Soundscape Audio-Take |
| Estensione ATB | Anet | AnetHelp Tools |
| Estensione ATC | Autodesk | AutoCAD Catalog Format |
| Estensione ATD | Microsoft Corporation | Microsoft Systems Management Server |
| Estensione ATE | Microsoft | Microsoft Office Accounting Compressed Backup Format |
| Estensione ATF | Adobe Systems | Adobe Photoshop Transfer Function Format |
| Estensione ATH | Dell | Alphacam Lathe Thread Format |
| Estensione ATHEME | Amazing-Clock.com | Amazing Clock Theme |
| Estensione ATI | Microsoft | Microsoft Office Accounting Updated Company Format |
| Estensione ATK | N/A | Andrew Toolkit Raster Object |
| Estensione ATL | Abvent Group | Artlantis 3D Scene Format |
| Estensione ATLAS | Firefly Studios Ltd. | Stronghold 3 Editor |
| Estensione ATLG | FlashPeak Inc. | SlimBrowser Auto Login |
| Estensione ATLOC | Apple, Inc. | Apple Mac OS X Finder |
| Estensione ATM | E-on Software | Vue 3D Environment Format |
| Estensione ATMC | Adobe Systems Incorporated | Adobe Type Manager |
| Estensione ATMN | Tethys Solutions, LLC. | Automation Anywhere Macro |
| Estensione ATMSPHR | Planetside Software | TerraGen Latmoshpere Andscape Render |
| Estensione ATN | Adobe Systems | Adobe Photoshop Actions Settings Format |
| Estensione ATO | E2S nv | ATO Modeler Project |
| Estensione ATOM | N/A | Atom Web Feed Format |
| Estensione ATOMS | M.Carson | Ribbons Atoms |
| Estensione ATP | Planit Solutions Inc. | Alphacam Lathe Post |
| Estensione ATPZ | VSoft Technologies Pty Ltd | Automise Compressed Project |
| Estensione ATR | Atari | Atari 8-bit Disk Image |
| Estensione ATRAC | Sony | Sony ATRAC Audio Format |
| Estensione ATS | DB Software Laboratory | Advanced ETL Processor Transformation Script Format |
| Estensione ATT | N/A | Web Form Data Format |
| Estensione ATTX | Cadence Design Systems, Inc. | Cadence Atribut |
| Estensione ATV | The Sage Group plc | ACT! |
| Estensione ATX | Hash | Animation Master Plugin Format |
| Estensione ATY | 3D-Scape | Association Type Placeholder |
| Estensione ATZ | N/A | Atomic Time Zone Format |
| Estensione ATZ3 | VSoft Technologies Pty Ltd | Automise |
| Estensione AU | N/A | Unix Audio Sound File Format |
| Estensione AU3 | AutoIt | AutoIt V3 Script Format |
| Estensione AU? | Terry A. Davis | LoseThos Autofile |
| Estensione AUC | Jordysoft.com | AUC Database |
| Estensione AUD | N/A | Westwood Studios Audio Format |
| Estensione AUDIBLEPREFS | Audible, Inc. | Audible Preference |
| Estensione AUDIONOTE | Luminant Software, Inc | AudioNote |
| Estensione AUF | Planit Solutions Inc. | Alphacam User Font |
| Estensione AUG | N/A | Red Hat Linux Shellvars |
| Estensione AUI | AGE SOLUTIONS | AGE3D UI Editor Color Table |
| Estensione AUM | Adobe Systems Incorporated | Adobe Update Manager Data |
| Estensione AUP | Audacity | Audacity Project Format |
| Estensione AUPRESET | Apple, Inc. | Apple Logic Studio Preset |
| Estensione AUR | Andrew Gryc | AutoREALM Map |
| Estensione AURX | Andrew Gryc | AutoREALM Project |
| Estensione AUS | Andrew Gryc | AutoREALM Symbols |
| Estensione AUT | Jonathan Bennett | AutoIt Pre V3 Script Format |
| Estensione AUTH | ShopSite, Inc. | ShopSite Store Authorization |
| Estensione AUTOCONF | The Open Group | Autoconfiguration |
| Estensione AUTOMATICDESTINATIONS-MS | Microsoft | Microsoft Windows 7 Jump List Format |
| Estensione AUTOPLAY | Indigo Rose | AutoPlay Media Studio Project Format |
| Estensione AUTOREG | N/A | Mozilla Application Suite Auto Registration Clue |
| Estensione AUX | N/A | TeX/LaTeX Auxiliary References Format |
| Estensione AUZ | Ableton | Ableton Authorization Format |
| Estensione AV | Final Draft, Inc. | Final Draft AV Document |
| Estensione AVA | AvaaBook | AvaaBook EBook |
| Estensione AVASTCONFIG | AVAST Software a.s. | Avast Configuration |
| Estensione AVASTLIC | AVAST Software | Avast! License Format |
| Estensione AVASTSOUNDS | AVAST Software | Avast! Soundpack Format |
| Estensione AVATAR | Google Talk Avatar Format | |
| Estensione AVB | Avid | Avid Binary Image Format |
| Estensione AVC | Kaspersky Lab | Kaspersky Anti-Virus Database Format |
| Estensione AVCHD | Sony, Panasonic | High Definition Video Format |
| Estensione AVD | MAGIX | MAGIX Movie Edit Pro Video Data Format |
| Estensione AVE | Avid Technology | Avid User Format |
| Estensione AVENIRPROJ | Mariner Software | StoryMill Project Format |
| Estensione AVERY | Avery Dennison | Avery Design & Print Online Label Format |
| Estensione AVF | N/A | Video Information |
| Estensione AVG | AVG Technologies (Grisoft) | AVG Antivirus Virus Database |
| Estensione AVGDX | AVG Technologies | AVG Diagnostic Format |
| Estensione AVHD | Microsoft | Microsoft Hyper-V Differencing Disk Format |
| Estensione AVI | Microsoft | Audio Video Interleave Movie Format |
| Estensione AVJ | Avira Operations | Avira Anti-Vir Job Format |
| Estensione AVL | ESRI | ArcView Legend Template Format |
| Estensione AVM | AVG Technologies (Grisoft) | AVG Incremental Persistent |
| Estensione AVN | altaVENTE | AltaVENTE Application User Notes |
| Estensione AVP | Avid Technology | Avid Project Format |
| Estensione AVR | N/A | Audio Visual Research Sound Format |
| Estensione AVS | AviSynth | Avisynth Script Format |
| Estensione AVSI | Ben Rudiak-Gould and all subsequent developers | Avisynth Script |
| Estensione AVST | Avery Lee | VirtualDub Template |
| Estensione AVT | Savy Soda | Savy Soda Avatar For IPhone Avatar |
| Estensione AVV | Avid Technology | Avid Media Composer Volume Bin Format |
| Estensione AVW | Mayo Foundation for Medical Education and Research | AnalyzeAVW Image |
| Estensione AVX | ESRI | ArcView Extension Plugin Format |
| Estensione AVZ | Jerry Blinn | AviSys Backup |
| Estensione AW | Microsoft | Answer Wizard Format |
| Estensione AWA | ActiveWord Systems, Inc. | ActiveWords |
| Estensione AWB | N/A | Adaptive Multi-rate Wideband ACELP Codec Audio Format |
| Estensione AWBS | Engineering Directorate | Data Storage |
| Estensione AWC | Emulex | Emulex AWC Firmware Update Format |
| Estensione AWCAV | ActiveWorlds | ActiveWorlds Browser User Avatar Format |
| Estensione AWD | Microsoft | Microsoft Fax Document |
| Estensione AWDB | ISS Data Security | Microsoft Works For Mac Database Format |
| Estensione AWE | Adobe Systems Incorporated | Adobe Acrobat Bookmark XML |
| Estensione AWF | Adobe Systems Incorporated | Adobe WorkFlow Workgroup Plugin |
| Estensione AWG | Activeworlds | Activeworlds Object Group Format |
| Estensione AWH | ActiveWord Systems, Inc. | ActiveWorlds Browser Help |
| Estensione AWI | Audacity | Audacity Wave Information |
| Estensione AWK | N/A | AWK Programming Language Script Format |
| Estensione AWKW | Awkwords | Awkwords Word Generator Format |
| Estensione AWL | Lavasoft | Ad-Aware Language |
| Estensione AWLIVE | PY Software | Active WebCam Live Capture Format |
| Estensione AWM | Likno Software | Likno AllWebMenus Format |
| Estensione AWP | Ability Plus Software | Ability Write Document Template Format |
| Estensione AWR | Lavasoft | Ad-Aware Reference |
| Estensione AWS | Autodesk | AutoCAD Work Space Format |
| Estensione AWSHORTCUT | ActiveWord Systems, Inc. | ActiveWords Shortcut |
| Estensione AWSS | N/A | Microsoft Works For Mac Spreadsheet |
| Estensione AWT | AbiSource | AbiWord Template Document Format |
| Estensione AWW | Ability Plus Software | Ability Write Document Format |
| Estensione AWWP | N/A | Microsoft Works For Mac Document |
| Estensione AWX | Microsoft Corporation | Microsoft DirectX |
| Estensione AWZIP | ActiveWord Systems, Inc. | ActiveWords Compressed Solution |
| Estensione AX | N/A | DirectShow Filter Format |
| Estensione AX3 | APEX SOFTWARE | Apex Sketch |
| Estensione AXA | N/A | Annodex Digital Media Format |
| Estensione AXD | Microsoft | ASP.NET Web Handler Format |
| Estensione AXE | Microsoft | Microsoft Autoroute Map Format |
| Estensione AXF | N/A | ARM Executable Format |
| Estensione AXG | Microsoft Corporation | Microsoft AutoRoute Trip |
| Estensione AXL | N/A | XML Project |
| Estensione AXM | AXMEDIS | Axmedis Object |
| Estensione AXP | Canneverbe | CDBurnerXP Audio Compilation Format |
| Estensione AXQ | Richardson Software, LLC | Edit Rocket Ada Editor |
| Estensione AXR | ElcomSoft Co. Ltd. | ElcomSoft Adcanced Archive Password Recovery |
| Estensione AXS | N/A | ActiveX Script |
| Estensione AXT | Adobe Systems | Adobe Photoshop Replace Color Range Format |
| Estensione AXV | N/A | Annodex Digital Media Format |
| Estensione AXW | Actix International Limited | Analyzer StateForms |
| Estensione AXX | N/A | AxCryot Encrypted Format |
| Estensione AY | N/A | Programmable Sound Generator AY-3-8910 Sound Format |
| Estensione AZ | Corel Corporation | WinDVD Related |
| Estensione AZ! | Vuze | Vuze Partial Download Format |
| Estensione AZA | N/A | QazaR Archive Compressed |
| Estensione AZD | Amazon.com, Inc. | Amazon Software Download |
| Estensione AZF | AirZip | Secure Format |
| Estensione AZP | Atomic Games, Inc. | Close Combat Effect |
| Estensione AZS | AirZip | Secure Format |
| Estensione AZW | Amazon | Amazon Kindle EBook Format |
| Estensione AZW1 | Amazon | Amazon Kindle Topaz E-book Format |
| Estensione AZW2 | Amazon | Amazon Kindle Program Format |
| Estensione AZW3 | Amazon | Amazon Kindle EBook Format |
| Estensione AZW3F | N/A | Amazon Kindle Metadata |
| Estensione AZW3R | N/A | Amazon Kindle Metadata |
| Estensione AZW4 | Amazon | Amazon Kindle Print Replica Ebook Format |
| Estensione AZZ | Antanas Zdramys | AZZ Cardfile Information Card Format |
| Estensione AZZX | Antanas Zdramys | Uncompressed AZZ Cardfile Data Format |
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