| Estensione del file | Autore/Produttore | Descrizione del file |
|---|---|---|
| Estensione N | Nicolas Cannasse | Neko Bytecode Format |
| Estensione N-GAGE | Nokia | Nokia N-Gage Application Format |
| Estensione N2 | Nitrous | Nitrous Minecraft GLSL Shader Format |
| Estensione N2KM | zsword | Headshape Modding 3D Tool For 3D Studio Max Modding |
| Estensione N3D | Nuclear Glory | Nuclear Studio 3D Model Format |
| Estensione N3PMESH | K2 Network | Knight Online 3D Mesh Format |
| Estensione N64 | N/A | Nintendo 64 Emulation ROM Image Format |
| Estensione N81 | Apple, Inc. | Apple IOS Kernel Cache |
| Estensione N88 | Apple, Inc. | Apple IOS Kernel Cache |
| Estensione N90 | Apple, Inc. | Apple IOS Kernel Cache |
| Estensione N90AP | Apple, Inc. | IPhone Jailbreak Firmware |
| Estensione N92 | Apple, Inc. | Apple IOS Firmware |
| Estensione NA2 | Mozilla | Seamonkey Address Book Format |
| Estensione NAB | AOL Inc. | Netscape Communicator Addressbook |
| Estensione NACL | Sig Software | NameCleaner |
| Estensione NAF | Native Instruments, Inc. | TRAKTOR Service |
| Estensione NAL | Microsoft Corporation | System Management Server Network Abstraction Layer |
| Estensione NAM | U.S. Geological Survey | MODFLOW Name Format |
| Estensione NAP | Napster | Napster Music Security Definition Format |
| Estensione NAPR | Sig Software | NameCleaner Preference |
| Estensione NARC | Nintendo | Nintendo DS Archive Format |
| Estensione NARRATIVE | Mariner Software, Inc. | Mariner Software Narrator Audio Document |
| Estensione NAS | N/A | Nasal Script |
| Estensione NAV | Valve | Counter-Strike Source CBot Navigation Mesh Format |
| Estensione NAV2 | ZJMedia | WinAVI Temporary Navigation Format |
| Estensione NAVMAP | Esri | ESRI Data |
| Estensione NAZ | Deadline Games | Total Overdose Game Data Format |
| Estensione NB | Wolfram Research | Mathematica Notebook Format |
| Estensione NB0 | N/A | Microsoft Device Emulator Operating System Image Format |
| Estensione NB2 | DJI Interprises, LLC | Newsbin Unfinished Download |
| Estensione NB7 | N/A | NovaBACKUP Output Data Backup Format |
| Estensione NBA | Nero | Nero BackItUp Archive Format |
| Estensione NBAK | The Neat Company | Neat Backup |
| Estensione NBC | NBC | Next Byte Codes Source Code Format |
| Estensione NBD | NovaStor | PC Backup Pro Backup Format |
| Estensione NBE | Tenable Network Security | Nessus Scan Result Format |
| Estensione NBF | NewTech Infosystems | Backup NOW! Backup Archive Format |
| Estensione NBFC | N/A | Nintendo DS Nitro Basic File Character |
| Estensione NBFP | N/A | Nintedo DS Nitro Basic File Palette |
| Estensione NBFS | N/A | Nintendo DS Nitro Basic File Screen |
| Estensione NBH | N/A | HTC ROM Update Utility ROM Image Format |
| Estensione NBI | Nero | Nero BackItUp Backup Format |
| Estensione NBIN | Tenable Network Security | Compiled NASL Script |
| Estensione NBK | SMART Technologies | NovaBACKUP Script Format |
| Estensione NBL | Sega Corporation | Phantasy Star Universe |
| Estensione NBM | Oracle | NetBeans Module Format |
| Estensione NBP | Wolfram Research | Mathematica Notebook Format |
| Estensione NBR | Novawave, inc | Saved Benchmark Result |
| Estensione NBS | David Norgren | Minecraft Note Block Studio Format |
| Estensione NBT | Mojang | Minecraft Named Binary Tag Format |
| Estensione NBU | Nokia | Nokia PC Suite 6.82+ Backup Format |
| Estensione NBZ | ArcSoft, Inc. | ArcSoft Total Media Backup & Record Backup |
| Estensione NC | CNC Software | Mastercam NC Program Format |
| Estensione NC1 | N/A | Xsteel CAD |
| Estensione NC2 | newsleecher.com | NewsLeecher Cache |
| Estensione NC? | Trend Media Corporation Limited | FlashGet Download Manager Incomplete Download |
| Estensione NCA | Nikon Corporation | Nikon Capture Color Adjustment |
| Estensione NCB | Microsoft | Microsoft Developer Studio Non-compiled Browse Format |
| Estensione NCC | N/A | CNC (Computer Numeric Control) Control File (CamView 3D) |
| Estensione NCD | Nero | Nero CoverDesigner Image Format |
| Estensione NCER | N/A | Nintendo DS Nitro Cell Resource |
| Estensione NCF | Valve | Steam Client Game Configuration Format |
| Estensione NCFG | ESRI | ArcGIS Explorer Configuration Format |
| Estensione NCGR | Nintendo | Nintendo DS Title Graphics Format |
| Estensione NCH | Microsoft | Microsoft Outlook Express Email Tree |
| Estensione NCI | CNC Software, Inc. | Mastercam Toolpath |
| Estensione NCLK | N/A | HTML Formatted Text |
| Estensione NCLR | Nintendo | Nintendo DS Color Palette Format |
| Estensione NCO | Nero | Nero BackItUp Compressed Backup Format |
| Estensione NCOMP | Richard Hughey - Kevin Karplus - Anders Krogh | SAM Dirichlet Mixture Prior Library |
| Estensione NCOR | Adobe Systems | Adobe Encore Project Format |
| Estensione NCORX | Adobe Systems | Adobe Encore Project Format |
| Estensione NCP | EA Sports | NHL Ice Hockey 2002 User NHLcards |
| Estensione NCR | N/A | NCR Image Image Format |
| Estensione NCS | BioWare | Bioware Aurora / Obsidian Electron Compiled Script |
| Estensione NCSS | NCSS | NCSS Data |
| Estensione NCT | Nero | CoverDesigner Template |
| Estensione NCV | Nikon Corporation | Nikon Capture Curves |
| Estensione NCW | Nero | Nero CoverDesigner Picture Template Format |
| Estensione NCX | IDPF | Navigation Control File For XML |
| Estensione NCZ | Netcad | Netcad Drawing |
| Estensione ND | Intuit | QuickBooks Network Data Format |
| Estensione ND5 | N/A | Nintendo DS Game ROM Format |
| Estensione NDA | Nero AG | Nero BackItUp Drive Image |
| Estensione NDB | Sourcefire | ClamAV Extended Signature Format |
| Estensione NDC | IBM | IBM Personal Communications Settings Format |
| Estensione NDD | Nikon Corporation | Nikon Capture Digital DEE |
| Estensione NDF | Microsoft | Microsoft SQL Server Secondary Data Format |
| Estensione NDIF | Nokia | Nokia Data Format |
| Estensione NDK | IBM | Lotus Notes Database Design Elements |
| Estensione NDL | IBM | Lotus Notes Data Format |
| Estensione NDM | Activision | Enemy Territory Quake Wars Demo |
| Estensione NDO | IZware LLC | Nendo |
| Estensione NDOC | NHN | Naver Word |
| Estensione NDOTS | M.Carson | Ribbons Ndots |
| Estensione NDP | Brøderbund Software, Inc. | Nick-O-Matic Design Factory Project |
| Estensione NDR | Open Text Corporation | RightFax Executable |
| Estensione NDS | N/A | Nintendo DS Game ROM Image Format |
| Estensione NDT | NEPLAN | NEPLAN External Program Import Or Export |
| Estensione NDU | N/A | Symbian Phone Backup |
| Estensione NDV | Exelis Visual Information Solutions | ENVI N-D Visualizer State |
| Estensione NDW | Nemetschek AG | Allplan Drawing |
| Estensione NDX | N/A | DBase Index Format |
| Estensione NE0 | NetBSD Foundation, Inc. | NetBSD Config |
| Estensione NE1 | OM2 Technology Inc. | OM2 OMALI NENA Version 1 Document |
| Estensione NE3 | OM2 Technology Inc. | OM2 OMALI NENA Document |
| Estensione NED | OMNeT++ Community | OMNet++ Network Description Format |
| Estensione NEF | Nikon | Nikon Digital SLR Camera RAW Image Format |
| Estensione NEKO | Nicolas Cannasse | Neko Source Code Format |
| Estensione NEN | Brøderbund Software, Inc. | Nick-O-Matic Design Factory Project |
| Estensione NEO | Atari | Atari NeoChrome Bitmap Image |
| Estensione NEOSAVE | Neopets, Inc. | Neopets Puzzle Adventure Saved Game |
| Estensione NEPPRJ | NEPLAN | NEPLAN Project |
| Estensione NES | N/A | Nintendo Entertainment System ROM Image |
| Estensione NESSUS | Tenable Network Security | Nessus Network Security Scanner Format |
| Estensione NET | netViz | NetViz Project Format |
| Estensione NETA | N/A | Netica Bayesian Network Binary Format |
| Estensione NETBOOT | The Open Group | Unix Netboot Script |
| Estensione NETKIT | The GNOME Project | Gnome Desktop |
| Estensione NETRC | IBM | .netrc TCP/IP Settings |
| Estensione NETSH | Microsoft Corporation | Netsh File Extension |
| Estensione NETSPD | NetSpot Team. Etwok | NetSpot Survey Project Format |
| Estensione NETSPM | NetSpot Team. Etwok | NetSpot Map Format |
| Estensione NETWORKCONNECT | Apple | Apple Network Connect Document |
| Estensione NEU | Parametric Technology | Pro/Engineer Neutral Format |
| Estensione NEULICENSE | Elegant Chaos | Neu License |
| Estensione NEW | N/A | Ameco Embroidery Format |
| Estensione NEWSLOC | Apple, Inc. | Apple Mac OS X Finder News Internet Location |
| Estensione NEX | N/A | Neuroexplorer Neurological Data |
| Estensione NEXE | Google Chrome Native Client Executable Format | |
| Estensione NEZ | N/A | NES ROM Emulator Image |
| Estensione NFB | Nokia | Nokia PC Suite Phone Backup Format |
| Estensione NFC | Nokia | Nokia PC Suite Phone Backup Format |
| Estensione NFF | Autodesk | Haines Neutral File Format |
| Estensione NFG | DJI Interprises, LLC | NewsBin Configuration |
| Estensione NFI | Dream Multimedia | Dreambox Disc Image Format |
| Estensione NFL | Nokia | Nokia Flash Lite Package |
| Estensione NFM | Embarcadero Technologies | Delphi .NET Form Format |
| Estensione NFO | Microsoft | Information Readme Text Format |
| Estensione NFP | N/A | Archive |
| Estensione NFS | N/A | Network Format System Temporary Format |
| Estensione NFS11SAVE | Electronic Arts | Need For Speed: Hot Pursuit 2010 Configuration Format |
| Estensione NFS13SAVE | Electronic Arts, Inc. | Need For Speed: Most Wanted Saved Game |
| Estensione NFT | NetObjects Inc. | NetObjects Fusion System |
| Estensione NFTR | N/A | Nintendo DS Font Type Format |
| Estensione NFX | NetObjects Inc. | NetObjects Fusion Components Bbscomp |
| Estensione NGAGE | Nokia | Nokia N-Gage Game Format |
| Estensione NGC | Xilinx | Xilinx Integrated Software Environment Generated Format |
| Estensione NGD | Xilinx | Xilinx Integrated Software Environment Format |
| Estensione NGG | N/A | Nokia Group Graphics Image Format |
| Estensione NGH | JoWooD Entertainment AG | Neighbours From Hell 2 Saved Game |
| Estensione NGLOSS | Nisus Software, Inc. | Nisus Writer Pro Glossary |
| Estensione NGN | Terminal Reality | Fly! Engine Specification |
| Estensione NGO | Brøderbund Software, Inc. | Nick-O-Matic Design Factory Project |
| Estensione NGP | N/A | Neo Geo Pocket ROM Image Format |
| Estensione NGR | NEPLAN | NEPLAN Graphic Data |
| Estensione NGRR | Native Instruments, Inc. | GUITAR RIG Sound |
| Estensione NGS | Next Generation Security Software Ltd (NGS) | NGSSniff |
| Estensione NGT | Noni GPSPlot | NONI GPSPlot GIS Format |
| Estensione NH | Stichting Mathematisch Centrum | NetHack Defaults |
| Estensione NHA | HIMSA | Native Noah Format |
| Estensione NHB | Anders Petersson | No Hands Backup Backup Description |
| Estensione NHD | Nero AG | Nero AVHCD DVD Compilation |
| Estensione NHF | Nero AG | Nero HFS-CD Compilation |
| Estensione NHL | EA Sports | Nhl Ice Hockey Game 2002 User Teams |
| Estensione NHN | ijji Games LLC | Ijji REACTOR Html Launch |
| Estensione NHP | N/A | NOAA Hydrophone Data |
| Estensione NHS | NHibernate Developers | NHibernate |
| Estensione NHV | Nero AG | Nero HD-BURN-Video Compilation |
| Estensione NI | NetObjects Inc. | NetObjects Fusion Preview |
| Estensione NIA | Nikon Corporation | Nikon Capture Image Adjustment |
| Estensione NIB | N/A | Interface Builder User Interface Resources |
| Estensione NICK | Microsoft | Microsoft Outlook Nickname Format |
| Estensione NICNT | Native Instruments, Inc. | Native Instruments KONTAKT Library |
| Estensione NICRASH | Native Instruments, Inc. | TRAKTOR Crash Report |
| Estensione NID | Nikon Corporation | Nikon Capture IPTC Data |
| Estensione NIF | Emergent Game Technologies | GameBryo Format |
| Estensione NIFF | N/A | NIFF Navy Image File Format |
| Estensione NIL | Symantec Corporation | Norton Icon Library |
| Estensione NIM | Nimrod Software Foundation | Nimrod Source Code Format |
| Estensione NIP | Microsoft Corporation | Microsoft DRM (Digital Right Management) |
| Estensione NIST | N/A | Audio |
| Estensione NIT | Esri | ArcView INFO Table Definitions |
| Estensione NITF | N/A | National Imagery Transmission Format |
| Estensione NIX | IBM | Rational XDE |
| Estensione NJB | Nikon | Nikon Digital SLR Camera Image Index Format |
| Estensione NJF | N/A | IBM Lotus Domino |
| Estensione NJI | Nero | Nero BackItUp Job Format |
| Estensione NJT | Nero AG | Nero BackItUp Job Template |
| Estensione NJX | NJStar Software | NJStar Document Format |
| Estensione NK | The Foundry | NUKE Script Format |
| Estensione NK2 | Microsoft | Microsoft Outlook Contacts AutoComplete Format |
| Estensione NKB | Native Instruments | Kontakt Audio Bank |
| Estensione NKC | Native Instruments | Native Instruments KONTAKT Library Data Format |
| Estensione NKD | Nikon Corporation | Nikon ViewNX Thumbnail Cache |
| Estensione NKI | Native Instruments | Native Instruments Instruments Sample Format |
| Estensione NKM | Native Instruments | Native Instruments KONTAKT Format |
| Estensione NKP | Native Instruments | Kontakt Saved Presets |
| Estensione NKR | Native Instruments, Inc. | KONTAKT Resource Container |
| Estensione NKS | Native Instruments | Native Instruments Archive Format |
| Estensione NKX | Native Instruments | Native Instruments Monolith Format |
| Estensione NL | Symantec Corporation | Norton Desktop Icon Library |
| Estensione NL2 | eSignal | ESignal Market Depth |
| Estensione NLANG3 | Ashampoo GmbH & Co. KG | Ashampoo Internet Accelerator Language |
| Estensione NLB | Codemasters | Colin McRae Rally Network Leader Boards Game |
| Estensione NLC | Nero AG | Nero Linux Compilation |
| Estensione NLELEM | Mad Data | NoLimits Rollercoaster Simulation Track Element Format |
| Estensione NLG | Martin Freij | Nestopia Language |
| Estensione NLK | N/A | Outlook 2003 E-mail Cookie |
| Estensione NLM | Nokia | Nokia Logo File Image Format |
| Estensione NLOGO | NetLogo | NetLogo Model Format |
| Estensione NLOGO3D | NetLogo | NetLogo 3D Model Format |
| Estensione NLPD | PremiumSoft CyberTech Ltd. | Navicat For SQLite Data Synchronization Profile |
| Estensione NLPE | PremiumSoft CyberTech Ltd. | Navicat For SQLite Exported Table |
| Estensione NLPEQ | PremiumSoft CyberTech Ltd. | Navicat For SQLite Export Query Result Profile |
| Estensione NLPEV | PremiumSoft CyberTech Ltd. | Navicat Export View Result Profile |
| Estensione NLPI | PremiumSoft CyberTech Ltd. | Navicat For SQLite Import Wizard Profile |
| Estensione NLPT | PremiumSoft CyberTech Ltd. | Navicat For SQLite Data Transfer Profile |
| Estensione NLPX | Mad Data | Mad Data NoLimits Game Data Format |
| Estensione NLR | N/A | NLREG Nonlinear Regression Control |
| Estensione NLS | Microsoft | Microsoft National Language Support Format |
| Estensione NLTRACK | Mad Data | NoLimits Roller Coaster Track Format |
| Estensione NLV | Nikon Corporation | Nikon Capture LCHE Editor |
| Estensione NM | Space Engine | Space Engine Nebula Model Format |
| Estensione NM2 | Navitel | Navitel Navigator Map Format |
| Estensione NM3 | Navitel | Navitel Navigator 5.0 Map Format |
| Estensione NM5 | Nova Mind Software Pty Ltd. | NovaMind Mind Map |
| Estensione NM7 | GPS Moldova | Navitel Navigator Map |
| Estensione NMAP | NaviComputer | NaviComputer Map Format |
| Estensione NMBD | The Samba Team | Samba Log |
| Estensione NMBTEMPLATE | Apple | Apple Numbers Spreadsheet Template Format |
| Estensione NMC | ESRI | ArcGIS Explorer Map Content Format |
| Estensione NMD | Nero AG | Nero MiniDVD Compilation |
| Estensione NMF | ESRI | ArcGIS Explorer Map Format |
| Estensione NMI | StudyLamp Software LLC | SwordSearcher |
| Estensione NMIND | NovaMind | NovaMind Mind Map Format |
| Estensione NMK | Microsoft Corporation | Microsoft Program Maintenance Utility Make |
| Estensione NML | Native Instruments | Traktor Collection Format |
| Estensione NMM | Microsoft Corporation | Microsoft 3D Movie Maker Video |
| Estensione NMO | Dassault Systèmes S.A. | Virtools Behavioral Objects |
| Estensione NMP | EyePower Games | NewsMaker Project Format |
| Estensione NMR | Acorn NMR Inc. | WxNUTS Histogram |
| Estensione NMS | NuMega | Numega SoftICE Loader File Including Debugging Info |
| Estensione NMSV | Native Instruments, Inc. | Native Instruments MASSIVE Audio |
| Estensione NMU | EMC Corporation | EMC Documentum Client Library Query Cache |
| Estensione NMV | Quietust | Nintendulator Movie Capture |
| Estensione NMW | Microsoft Corporation | Microsoft NetMeeting T126_Whiteboard |
| Estensione NN | Nero | Nero CD List Format |
| Estensione NNI | Neural Science | ANNI Neural Network Investing Format |
| Estensione NNP | Neural Science | ANNI Neural Network Portfolio Format |
| Estensione NNR | Nikon Corporation | Nikon Capture Noise Reduction |
| Estensione NNTP | Simon Fraser | NewsWatcher |
| Estensione NNVS | NextNine Ltd. | NextNine VNC Player VNC Session |
| Estensione NNW | NeuralWare | NeuralWare NeuralWorks |
| Estensione NOB | N/A | Silver Game Data |
| Estensione NOD | NetObjects | NetObjects Fusion Nodes Format |
| Estensione NODES | PowerFolder | PowerFolder Nodes |
| Estensione NOF | NetObjects Inc. | NetObject Fusion 5.0 |
| Estensione NOINDEX | Apple, Inc. | Mac OS X Spotlight Index |
| Estensione NOKIA | Nokia Corporation | Nokia Proprietary Ringtone Format |
| Estensione NOKOGIRI | Nokogiri Team | Nokogiri Source |
| Estensione NOKTXT | N/A | Nokia Proprietary Ringtone Text Format |
| Estensione NOL | N/A | Nokia Operator Logo Image Format |
| Estensione NOMEDIA | N/A | Google Android OS System Format |
| Estensione NON | LucasArts Entertainment Company, LLC | Star Wars: Tie Fighter Mouse Options |
| Estensione NOP | Nokia Corporation | Nokia Smart Shoot RAW Photo |
| Estensione NOPD | PremiumSoft CyberTech Ltd. | Navicat For Oracle Data Synchronization Profile |
| Estensione NOPE | PremiumSoft CyberTech Ltd. | Navicat For Oracle Exported Table |
| Estensione NOPEM | PremiumSoft CyberTech Ltd. | Navicat For Oracle Export Materialized View Profile |
| Estensione NOPEQ | PremiumSoft CyberTech Ltd. | Navicat For Oracle Export Query Result Profile |
| Estensione NOPEV | PremiumSoft CyberTech Ltd. | Navicat For Oracle Export View Result Profile |
| Estensione NOPI | PremiumSoft CyberTech Ltd. | Navicat For Oracle Import Wizard Profile |
| Estensione NOPT | PremiumSoft CyberTech Ltd. | Navicat For Oracle Data Transfer Profile |
| Estensione NOR | N/A | Norwegian Localization |
| Estensione NOS | N/A | JDOS System |
| Estensione NOT | Notation Software | Notation Or Note Format |
| Estensione NOTE | Failsafe Games | Notessimo Song Format |
| Estensione NOTEBOOK | SMART Technologies | SMART Notebook Format |
| Estensione NOTES | Guys with Towels | Memento Note Format |
| Estensione NOTX | Rick Meyers | E-Sword Study |
| Estensione NOT_TERMINATED | Apple, Inc. | Mac OS X Audit Log |
| Estensione NOV | Native Instruments, Inc. | NI Battery Cache |
| Estensione NOVS | Novell, Inc. | Novell NetWare Control Center |
| Estensione NOX | Ricardo plc. | Wave IRIS NOx |
| Estensione NP | N/A | Portfolio NetPublish Web Template Format |
| Estensione NPA | ReliaSoft Corporation | ReliaSoft Weibull++ |
| Estensione NPB | PremiumSoft CyberTech Ltd. | Navicat For MySQL Backup Profile |
| Estensione NPC | Intuit Inc. | QuickBooks Online Banking |
| Estensione NPD | N/A | Netrosoft Presentation Document |
| Estensione NPDT | N/A | Mac Text |
| Estensione NPE | NVIDIA Corporation | NVIDIA Ntune Overclock System Performance Manager Profile Settings |
| Estensione NPEQ | PremiumSoft CyberTech Ltd. | Navicat For MySQL Export Query Result Profile |
| Estensione NPEV | PremiumSoft CyberTech Ltd. | Navicat For MySQL Export View Result Profile |
| Estensione NPF | NTI | NTI Backup Format |
| Estensione NPFX | Symantec | Norton Internet Security Settings Format |
| Estensione NPG | Perion Network Ltd. | Magentic Download |
| Estensione NPI | dataBased Intelligence, Inc. | DBASE Application Generator Source |
| Estensione NPJ | NovaLogic, Inc. | Nova Logic Game Mission |
| Estensione NPK | n-Track | N-Track Studio Peak |
| Estensione NPL | Nokia | Nokia Audio Format |
| Estensione NPM | Corel Corporation | CorelDRAW 10 Draw Media Lines |
| Estensione NPN | ACD Systems International Inc. | Canvas Neon Pen |
| Estensione NPO | Kostas lab | Nonpareil Redundancy Summary |
| Estensione NPP | Nova Development | Art Explosion Publisher Pro Document Format |
| Estensione NPPD | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Data Synchronization Profile |
| Estensione NPPE | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Exported Table |
| Estensione NPPEQ | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Export Query Result Profile |
| Estensione NPPEV | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Export View Result Profile |
| Estensione NPPI | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Import Wizard Profile |
| Estensione NPPT | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Data Transfer Profile |
| Estensione NPR | Steinberg Media Technologies | Nuendo Format |
| Estensione NPS | NTI | NTI Backup Now Drive Based Backup Set Format |
| Estensione NPT | N/A | Navicat For MySQL Data Transfer Profile Format |
| Estensione NPV | Nexilogic | Pixbend Player Pixbend Media |
| Estensione NPW | Nikola Dachev | NPassword |
| Estensione NPX | NorPix Inc. | TroublePix Licence |
| Estensione NPZ | INCA Internet Co, Ltd. | GameGuard Update |
| Estensione NQA | STATCON | NQuery Advisor Data |
| Estensione NQC | Dave Baum | NQC Not Quite C Source Code Format |
| Estensione NQF | N/A | NOD32 Quarantine |
| Estensione NQI | N/A | NOD32 Quarantine |
| Estensione NQST | Adobe Systems Incorporated | SoundEdit |
| Estensione NR-VMP | Rainer Goebel | BrainVoyager QX Native Resolution Volume Map |
| Estensione NR3 | Nero AG | Nero CD-ROM (MP3) Compilation |
| Estensione NR4 | Nero AG | Nero CD-ROM (AAC) Compilation |
| Estensione NRA | Nero | Nero Audio-CD Compilation Format |
| Estensione NRB | Nero | Nero CD-ROM Boot Compilation Format |
| Estensione NRBAK | The Neat Company | Neat Backup |
| Estensione NRC | Nero | Nero UDF/ISO CD-ROM Compilation |
| Estensione NRD | Nero | Nero DVD-Video Compilation Format |
| Estensione NRE | Nero AG | Nero CD EXTRA Compilation |
| Estensione NRF | IBM | IBM Domino Notes Redirection |
| Estensione NRG | Nero | Nero-Burning ROM CD Or DVD Image Format |
| Estensione NRH | Nero AG | Nero Hybrid CD-ROM Compilation |
| Estensione NRI | Nero | Nero CD-ROM (ISO) Compilation Format |
| Estensione NRJ | N/A | Nero JukeBox Compilation |
| Estensione NRL | Autonomy Interwoven | Autonomy Interwoven Link Format |
| Estensione NRM | Nero | Nero Mixed-Mode-CD Compilation Format |
| Estensione NRMLIB | The Neat Company | Neat Document Library |
| Estensione NRP | e.World Technology Limited | ASP.NET Report Maker Report |
| Estensione NRS | N/A | NovaBACKUP Restore Script Format |
| Estensione NRT | Nokia | Nokia Ringtone Format |
| Estensione NRU | Nero | Nero UDF CD-ROM Compilation Format |
| Estensione NRV | Nero AG | Nero Video-CD Compilation |
| Estensione NRW | Nikon | Nikon RAW Image Format |
| Estensione NRX | The Neat Company | NeatReceipts SCANALIZER Expense Report |
| Estensione NS | Procedimientos-Uno, S.L. | NSwin Project |
| Estensione NS1 | Marius Milner | NetStumbler NS1 Log |
| Estensione NS2 | IBM | Lotus Notes Database Format |
| Estensione NS3 | IBM | Lotus Notes Database Format |
| Estensione NS4 | IBM | Lotus Notes Database Format |
| Estensione NSA | Nullsoft | Nullsoft Winamp Streaming Audio Format |
| Estensione NSBCA | N/A | Nintendo DS Model Animation Format |
| Estensione NSBMD | N/A | Nintendo DS Game 3D Model Format |
| Estensione NSBTA | N/A | Nintendo DS Texture Animation Format |
| Estensione NSBTX | N/A | Nintendo DS Model Texture Format |
| Estensione NSC | Microsoft Corporation | Windows Media Station |
| Estensione NSCR | Nintendo | Nintendo DS Title Screen Format |
| Estensione NSD | Symantec Corporation | Norton System Doctor Sensor Configuration |
| Estensione NSE | N/A | Nmap Security Scanner Scripting Engine |
| Estensione NSF | IBM | Lotus Notes Database Format |
| Estensione NSFE | N/A | Nintendo NES Audio File With Enhanced Tags |
| Estensione NSG | IBM | Lotus Notes Database |
| Estensione NSH | Nullsoft | NSIS Header Format |
| Estensione NSI | Nullsoft | NSIS Nullsoft Scriptable Install System Script Format |
| Estensione NSLLOC | Apple, Inc. | Apple Mac OS X Finder NSL Internet Location |
| Estensione NSPD | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Data Synchronization Profile |
| Estensione NSPE | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Exported Table |
| Estensione NSPEQ | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Export Query Result Profile |
| Estensione NSPEV | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Export View Result Profile |
| Estensione NSPI | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Import Wizard Profile |
| Estensione NSPL | AOL Inc. | Netscape Navigator Plugin |
| Estensione NSPT | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Data Transfer Profile |
| Estensione NSQ | Syntes | NScheduler Qlikview Schedule Format |
| Estensione NSR | Tenable Network Security | Nessus Project Format |
| Estensione NSS | IncrediMail | Magentic Screensaver Format |
| Estensione NST | N/A | NoiseTracker Music Module |
| Estensione NSU | NVIDIA Corporation | NVIDIA NTune Command System Profile Settings |
| Estensione NSV | Nullsoft | Nullsoft Winamp Video Format |
| Estensione NSX | Vista Software | Apollo Server Database Index |
| Estensione NSZ | NVIDIA Corporation | Benchmark Data File Used By NVidia NTune Tool |
| Estensione NT | Microsoft | Windows NT Command Script Format |
| Estensione NT7 | Orchida Soft | Orchida Knitting System Pattern |
| Estensione NTC | Nikon | Nikon Camera Control Pro Custom Curves Format |
| Estensione NTD | NinjaTrader, LLC | NinjaTrader |
| Estensione NTF | NEATO | MediaFACE CD Label Format |
| Estensione NTFP | N/A | Nintendo DS Nitro File Palette |
| Estensione NTFS | N/A | NTFS Partition Format |
| Estensione NTH | Nokia | Nokia Series 40 And 60 Theme Format |
| Estensione NTJ | IWR Computer Consultancy | Junction Box Backup |
| Estensione NTL | N/A | Diablo 2 Mod D2NT Script |
| Estensione NTM | GPS Moldova | Navitel Map |
| Estensione NTN | N/A | NOTION Song Format |
| Estensione NTP | NEATO | MediaFACE CD Label |
| Estensione NTRK | Ubisoft Entertainment | Pacific Fighters Track Format |
| Estensione NTS | IBM | Lotus Notes Traveler Server Config Format |
| Estensione NTT | NEATO | MediaFACE Template |
| Estensione NTV | Autometrix | PatternSmith Import |
| Estensione NTW | Noteworthy Software, Inc. | Noteworthy Composer Song |
| Estensione NTX | Clipper | Clipper Database Index Format |
| Estensione NTZ | NetZ Computing | InVircible Antivirus Directory Integrity Information |
| Estensione NU4 | Symantec Corporation | Norton Utilities DLL Root |
| Estensione NUB | XEROX CORPORATION | Xerox FreeFlow NUB Init |
| Estensione NUC | Ziheng Yang | PAML Data |
| Estensione NUD | N/A | Now Up-To-Date Calendar Data |
| Estensione NUF | Symantec Corporation | Procomm Plus New User Message |
| Estensione NUGET | Outercurve Foundation | NuGet Package |
| Estensione NUGG | SAP AG | SAP Generated Nugg |
| Estensione NUM | Diction Software | Diction |
| Estensione NUMBERS | Apple | Apple Numbers Spreadsheet Format |
| Estensione NUMBERS-TEF | Apple | Apple Numbers ICloud Spreadsheet Format |
| Estensione NUP | ESET | ESET Nod32 Antivirus Update Format |
| Estensione NUPKG | NuGet | NuGet Source Code Package Format |
| Estensione NUSPEC | NuGet | NuGet Settings Format |
| Estensione NUT | N/A | NUT Open Container Format |
| Estensione NUV | N/A | MythTV NuppelVideo Video Format |
| Estensione NV | The MAME Team | MAME NVRAM Format |
| Estensione NV2 | Q.W. Page Associates | NewViews 2 Accounting Data Format |
| Estensione NVAVI | Nero AG | Split AVI Audio Video Interchange Format |
| Estensione NVC | Nero | Nero Vision Express Project Format |
| Estensione NVD | Savannah | Navidoc |
| Estensione NVDL | International Standards Organization | NVDL Script |
| Estensione NVF | Creative Labs | Creative Labs Nomad Voice Format |
| Estensione NVI | NVIDIA | NVidia Graphics Card Driver Settings Format |
| Estensione NVJ | Afreet Software Inc. | Net Vampire Job |
| Estensione NVL | N/A | UniChem Results Format |
| Estensione NVM | N/A | PlayStation 2 BIOS Configuration Format |
| Estensione NVP | Afreet Software Inc. | Net Vampire Job |
| Estensione NVR | National Creative Registry, Inc. | NeverForget |
| Estensione NVRAM | VMware | VMware VM BIOS State Format |
| Estensione NVSG | NVIDIA Corporation | NVIDIA SceniX Scene Management Engine Format |
| Estensione NVT | N/A | NeuraLynx Video Tracker |
| Estensione NVX | Novel CAE Solutions | NvStructural Extension |
| Estensione NVZ | visualnovelty.com | Novelty Actor |
| Estensione NW3 | Novell, Inc. | Novell Netware.3x |
| Estensione NW4 | Novell, Inc. | Netware.4x |
| Estensione NWA | Stardock Corporation | Natural Windows Animation |
| Estensione NWB | Nikon Corporation | Nikon Capture White Balance |
| Estensione NWBAK | The Neat Company | Neat Backup |
| Estensione NWC | NoteWorthy | Noteworthy Composer Song Format |
| Estensione NWCAB | The Neat Company | Neat Software Cabinet |
| Estensione NWCP | Nisus Software, Inc. | Nisus Writer Pro Clipboard Document |
| Estensione NWCTXT | NoteWorthy | NoteWorthy Composer Text Format |
| Estensione NWD | Autodesk | NavisWorks Snapshot Format |
| Estensione NWDB | The Neat Company | NeatReceipts Database |
| Estensione NWELICENSE | Nisus Software, Inc. | Nisus Writer Pro License |
| Estensione NWF | Autodesk | NavisWorks Project Format |
| Estensione NWM | N/A | Sony NWM Display Screen Format |
| Estensione NWN | BioWare | Bioware Aurora Engine Module |
| Estensione NWP | IncrediMail | Magentic Content Format |
| Estensione NWS | Microsoft | Microsoft Outlook Express News Message Format |
| Estensione NWUT | Novell, Inc. | NetWare Tools |
| Estensione NWV | Nuance | Dragon NaturallySpeaking User Archive Format |
| Estensione NWX | LucasArts Entertainment Company, LLC | Outlaws Choreography |
| Estensione NW_ | Noteworthy Software, Inc. | Noteworthy Composer Compressed |
| Estensione NX1 | NexusDB Pty Ltd. | NexusDB Database |
| Estensione NX2 | NexusDB Pty Ltd. | NexusDB Database |
| Estensione NXB | Nexus Marine AB | Nexus Race Software Raw Data |
| Estensione NXC | The LEGO Group | NXC Not EXactly C Source Code Format |
| Estensione NXD | TruTamil LLC | NdxCards Index Card Project |
| Estensione NXG | Netopia | ESite Builder NXG Web Page Format |
| Estensione NXN | Avid Technology, Inc. | Avid Interplay Permanent License |
| Estensione NXT | Next, Inc. | NeXT Sound |
| Estensione NX^D | Apple, Inc. | WriteNow 2 Document |
| Estensione NY | N/A | Nyquist Plug-in Format |
| Estensione NYF | Wjj Software | MyBase Database Format |
| Estensione NZ | Sami Runsas | NanoZip Compressed Archive |
| Estensione NZB | NewzBin.com | Newzbin Download Pointer Format |
| Estensione NZL | Corel Corporation | Corel Painter Nozzle |
| Estensione NZN | N/A | RMCProfile List |
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