| Estensione del file | Autore/Produttore | Descrizione del file |
|---|---|---|
| Estensione R | Apple | Apple Xcode Core Rez Program Format |
| Estensione R*CH | Bare Bones Software | BBEdit |
| Estensione R0 | RARLAB | WinRAR Compressed Archive Format |
| Estensione R00 | RARLAB | Split Multi-volume RAR Compressed File Archive (part 2) |
| Estensione R01 | RARLAB | Split Multi-volume RAR Compressed File Archive (part 3) |
| Estensione R02 | RARLAB | Split Multi-volume RAR Compressed File Archive (part 4) |
| Estensione R03 | RARLAB | Split Multi-volume RAR Compressed File Archive (part 5) |
| Estensione R04 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 6) |
| Estensione R05 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 7) |
| Estensione R06 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 8) |
| Estensione R07 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 9) |
| Estensione R08 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 10) |
| Estensione R09 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 11) |
| Estensione R0F | RingCentral, Inc. | RingCentral Fax Document |
| Estensione R1 | RARLAB | WinRAR Multi-Volume Archive Part 1 |
| Estensione R10 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 12) |
| Estensione R11 | Symantec Corporation | Norton Ghost Rar |
| Estensione R12 | Symantec Corporation | Norton Ghost Rar |
| Estensione R13 | Symantec Corporation | Norton Ghost Rar |
| Estensione R14 | Symantec Corporation | Norton Ghost Rar |
| Estensione R15 | Symantec Corporation | Norton Ghost Rar |
| Estensione R16 | Symantec Corporation | Norton Ghost Rar |
| Estensione R17 | Symantec Corporation | Norton Ghost Rar |
| Estensione R18 | Symantec Corporation | Norton Ghost Rar |
| Estensione R19 | Symantec Corporation | Norton Ghost Rar |
| Estensione R1M | RealNetworks | RealOne Streaming Media Format |
| Estensione R1W | Attachmate Corporation | Reflection Setting |
| Estensione R2 | RARLAB | WinRAR Multi-Volume Archive Part 2 |
| Estensione R20 | Symantec Corporation | Norton Ghost Rar |
| Estensione R21 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 23) |
| Estensione R22 | Symantec Corporation | Norton Ghost Rar |
| Estensione R23 | Symantec Corporation | Norton Ghost Rar |
| Estensione R24 | Symantec Corporation | Norton Ghost Rar |
| Estensione R25 | Symantec Corporation | Norton Ghost Rar |
| Estensione R26 | Symantec Corporation | Norton Ghost Rar |
| Estensione R27 | N/A | Norton Ghost Rar |
| Estensione R28 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 30) |
| Estensione R29 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 31) |
| Estensione R2D | RISA Technologies, LLC. | RISA-2D |
| Estensione R2K | N/A | Repertoire 2000 Music Database |
| Estensione R2W | Attachmate Corporation | Reflection Settings |
| Estensione R30 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 32) |
| Estensione R31 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 33) |
| Estensione R32 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 34) |
| Estensione R33 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 35) |
| Estensione R34 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 36) |
| Estensione R35 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 37) |
| Estensione R36 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 38) |
| Estensione R37 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 39) |
| Estensione R38 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 40) |
| Estensione R39 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 41) |
| Estensione R3D | RED | REDCODE Multimedia Format |
| Estensione R3T | RealNetworks, Inc. | RealNetworks RealText |
| Estensione R40 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 42) |
| Estensione R41 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 43) |
| Estensione R42 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 44) |
| Estensione R43 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 45) |
| Estensione R44 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 46) |
| Estensione R45 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 47) |
| Estensione R46 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 48) |
| Estensione R47 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 49) |
| Estensione R48 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 50) |
| Estensione R49 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 51) |
| Estensione R50 | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 52) |
| Estensione R51 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R52 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R53 | N/A | RAR Compressed Files From A Multi-volume Archive |
| Estensione R54 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R55 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R56 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R57 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R58 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R59 | N/A | RAR Compressed Files From A Multi-volume Archive |
| Estensione R60 | N/A | RAR Compressed Files From A Multi-volume Archive |
| Estensione R61 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R62 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R63 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R64 | N/A | RAR Compressed Files From A Multi-volume Archive |
| Estensione R65 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R66 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R67 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R68 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R69 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R70 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R71 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R72 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R73 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R74 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R75 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R76 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R77 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R78 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R79 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R8 | Microsoft Studios | Microsoft Flight Simulator Texture |
| Estensione R80 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R81 | N/A | RAR Compressed Files From A Multi-volume Archive |
| Estensione R82 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R83 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R84 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R85 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R86 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R87 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R88 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R89 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R8? | N/A | Microsoft Word For DOS Font |
| Estensione R90 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R91 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R92 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R93 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R94 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R95 | N/A | RAR Compressed Files From A Multi-volume Archive |
| Estensione R96 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R97 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione R98 | N/A | RAR Compressed Files From A Multi-volume Archive |
| Estensione R99 | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione RA | RealNetworks | RealAudio Audio Format |
| Estensione RA2 | N/A | Flare RAW |
| Estensione RA3AUTOSAVE | Electronic Arts, Inc. | Command & Conquer Red Alert 3 Save Game |
| Estensione RA3CAMPAIGN | Electronic Arts, Inc. | Command & Conquer Red Alert 3 Save Game |
| Estensione RA3REPLAY | Electronic Arts, Inc. | Command & Conquer: Red Alert 3 Replay |
| Estensione RA3SKIRMISH | Electronic Arts, Inc. | Command & Conquer: Red Alert 3 Skirmish Map |
| Estensione RAC | Concept2 Inc. | Venue Race Application |
| Estensione RAD | N/A | Radar ViewPoint Radar Data Format |
| Estensione RADIUMKEY2 | CatPig Studios | Radium Registration Format |
| Estensione RADIUS | N/A | Ruby-Radius Scipt |
| Estensione RADQ | RadicalPlay.com | Need For Madness Game Archive |
| Estensione RAE | Schlichtherle IT Services | TrueZIP Encrypted ZIP Archive |
| Estensione RAES | Schlichtherle IT Services | TrueZIP Encrypted ZIP Archive |
| Estensione RAF | Fuji | Fuji CCD-RAW Graphic Format |
| Estensione RAG | Bentley Systems, Incorporated | RAM Advanse Generator |
| Estensione RAI | Astronomical Institute of the Academy of Sciences of the Czech Republic | SPEFO |
| Estensione RAKE | Ruby community | Ruby Makefile |
| Estensione RAKEFILE | Ruby community | Ruby Makefile |
| Estensione RAL | Span Software | WinRail Track Design Format |
| Estensione RAM | RealNetworks | Real Audio Metafile |
| Estensione RAMD | Apple, Inc. | Repeat After Me Document |
| Estensione RAN | Owen F Ransen | Dexterpen |
| Estensione RAP | MAGIX AG | Magix Music Studio Rap |
| Estensione RAPC | BlackBerry (Research In Motion Limited) | Java 2 ME Unit |
| Estensione RAR | Eugene Roshal | WinRAR RAR Compressed Archive |
| Estensione RAR1 | N/A | RAR Archive |
| Estensione RAR5 | RARLAB | WinRAR 5 Compressed Archive Format |
| Estensione RARENX | Egis Technology Inc. | Egis Encrypted RAR |
| Estensione RARX | N/A | Renamed RAR |
| Estensione RAS | Sun Microsystems | Sun Raster Bitmap Format |
| Estensione RASKINLICENSE | Raskin Software | Raskin For Mac License Format |
| Estensione RASKINPLACE | Raskin Software | Raskin Place Settings Format |
| Estensione RAST | N/A | Sun Raster Bitmap Image |
| Estensione RAT | W3C | PICS Platform For Internet Content Selection Format |
| Estensione RATDVD | ACE GmbH | RatDVD Commpressed DVD Movie |
| Estensione RAV | Nevrona Designs | Rave Reports Project Format |
| Estensione RAW | N/A | Digital Camera Photo RAW Image Format |
| Estensione RAX | RealNetworks | RealMedia Streaming Format |
| Estensione RAY | Craig Kolb | Rayshade Picture Image Format |
| Estensione RA_ | Resco, s.r.o. | Resco Photo Viewer Thumbnail Cache |
| Estensione RB | N/A | Ruby Script Format |
| Estensione RB0 | Trend Micro Inc. | Trend AntiVirus Backup |
| Estensione RB1 | R:BASE Technologies, Inc. | R:Base Data Format |
| Estensione RB2 | R:BASE Technologies, Inc. | R:Base Data Format |
| Estensione RB3 | R:BASE Technologies, Inc. | R:BASE Data |
| Estensione RB4 | Sarm Software | Resume Builder Data Format |
| Estensione RBA | Just Great Software Co. Ltd. | RegexBuddy Regular Expression |
| Estensione RBB | TAN$TAAFL Software Company | Top Secret Crypto Gold Random Bits Bin |
| Estensione RBC | EMC Insignia | Roxio Retrospect Backup Catalogue Format |
| Estensione RBDF | N/A | Reading For The Blind And Dyslexic Audio Book With Text |
| Estensione RBF | EMC Insignia | Roxio Retrospect Backup Format |
| Estensione RBG | Just Great Software Co. Ltd. | RegexBuddy GREP Action |
| Estensione RBI | Robert Bentley, Inc. | EBahn Reader |
| Estensione RBJ | Marco Pontello | Extra Redcode Kit Compiled Redcode Object Format |
| Estensione RBK | Microsoft | Microsoft Windows 95 Registry Backup Format |
| Estensione RBL | Just Great Software Co. Ltd. | RegexBuddy Library |
| Estensione RBM | Propellerhead Software AB | Propellerhead ReBirth Modulation V2.0 |
| Estensione RBO | REAL Software, Inc. | REALbasic Class |
| Estensione RBP | REAL | REALbasic Project Format |
| Estensione RBS | N/A | Rebirth Song Format |
| Estensione RBT | LEGO | Lego MINDSTORMS NXT Program Format |
| Estensione RBTX | N/A | NXT Create Pack & Go Package |
| Estensione RBVCP | REAL Software | Real Studio Project Format |
| Estensione RBW | N/A | Ruby |
| Estensione RBX | IBM | IBM Rembo-C Compiled Script Format |
| Estensione RBXL | ROBLOX | ROBLOX Game Format |
| Estensione RBXM | ROBLOX | ROBLOX Model Format |
| Estensione RBXS | ROBLOX | ROBLOX Script |
| Estensione RBZ | Trimble | SketchUp Extension |
| Estensione RC | N/A | Microsoft Visual Studio Visual C/C++ Resource Script Format |
| Estensione RC1 | Samsung | Samsung S5230 Firmware Format |
| Estensione RC2 | Microsoft | Microsoft Visual Studio Visual C/C++ Non-compilable Resource Script Format |
| Estensione RC3 | Microsoft Corporation | Visual C Resource |
| Estensione RCB | RealityRipple.com | Ripple Chat Bot Document |
| Estensione RCD | University of Virginia | Arcade Input Format |
| Estensione RCF | SonicWALL | SonicWALL VPN Configuration Format |
| Estensione RCG | Recog | Recog Character Recognition Set Format |
| Estensione RCH | Grassland, Soil & Water Research Laboratory | SWAT Reach Output |
| Estensione RCL | Roxio | Easy CD And DVD Creator Project Format |
| Estensione RCN | Qstarz International Co, Ltd. | QRacing Track |
| Estensione RCO | Sony | Sony PlayStation Portable PSP Resource Format |
| Estensione RCP | Pacific Software | Rich Chart Builder Project |
| Estensione RCPROJECT | Apple | IMovie Project Format |
| Estensione RCS | RandomControl | RandomControl Scene Format |
| Estensione RCT | Microsoft | Microsoft Visual Studio Resource Template Format |
| Estensione RCU | RealWorld Graphics | RealWorld Layered Cursor Image |
| Estensione RCV | QUALCOMM Incorporated | Eudora Temporary Download |
| Estensione RCX | RED | REDCINE-X Project Format |
| Estensione RCY | Propellerhead Software | ReCycle Audio Loop Format |
| Estensione RD | N/A | R Document |
| Estensione RD2 | Codemasters | TOCA Race Driver 2 Saved Game |
| Estensione RD3 | Corel Corporation | CorelDRAW CorelDream 3D |
| Estensione RD3F | Corel Corporation | CorelDRAW CorelDream 3D |
| Estensione RD5 | Autodesk, Inc. | Autodesk Road Aligment |
| Estensione RDA | The R Project for Statistical Computing | Oracle Storage Area Format |
| Estensione RDAT | N/A | RNA Data (RDAT) |
| Estensione RDATA | The R Project for Statistical Computing | R Workspace Format |
| Estensione RDB | N/A | N64 Nintendo 64 ROM Database Format |
| Estensione RDC | Clark Labs | IDRISI Raster Documentation Format |
| Estensione RDD | ReliaSoft Corporation | ALTA |
| Estensione RDE | Mindware Studios, s.r.o. | Painkiller Overdose Game |
| Estensione RDF | N/A | Resource Description Framework RSS Feed Format |
| Estensione RDG | TechSmith Corporation | Morae Recorded Video |
| Estensione RDI | Blue Mist Injector | Red Dragon ISecure Settings Format |
| Estensione RDL | Bentley Systems | Bentley MicroStation Redline Format |
| Estensione RDLC | Microsoft | Microsoft Visual Studio Report Definition Format |
| Estensione RDLX | Microsoft | Microsoft Power View Project Format |
| Estensione RDM | Matteo Guarnieri | Ragdoll Masters Preference |
| Estensione RDO | N/A | Xerox Rawster Document Object Format |
| Estensione RDOC | James Britt | RubyDoc Script |
| Estensione RDP | Microsoft | Microsoft Windows Remote Desktop Connection Settings Format |
| Estensione RDS | DAZ Productions | Ray Dream 3D Animation Format |
| Estensione RDT | Adobe Systems Incorporated | Adobe Captivate RoboDemo Template |
| Estensione RDV | Nikolai Teofilov | NTgraph |
| Estensione RDW | www.MediaChance.com | Real-DRAW Project |
| Estensione RDX | Borland | Borland Reflex Database Format |
| Estensione RDY | Teldas GmbH | INet-Server |
| Estensione RDZ | MMIX Mandriva | Mandrake Linux Install |
| Estensione RE | N/A | Python Regular Expressions Source Code |
| Estensione RE2 | Argonne National Laboratory | NEK5000 Mesh |
| Estensione RE4 | Capcom Co., Ltd. | Resident Evil 4 |
| Estensione REA | N/A | Readme Text |
| Estensione REAL | The GNOME Project | Gnome Desktop |
| Estensione REAPEAKS | Cockos Incorporated | REAPER Scratch |
| Estensione REB | REBOL Technologies | REBOL Script Format |
| Estensione REC | Topfield | Recorded Format |
| Estensione RECO | Evernote Corporation | Evernote |
| Estensione RECORD | DaveTech | Recorded Audio Format |
| Estensione RED | Tailor Made Software | CADViewer Redline Markup Format |
| Estensione REDIR | Spotify | Spotify Redirect Format |
| Estensione REF | Microsoft | Reference Format |
| Estensione REFERENCE | N/A | Budget In Brief Application Reference Format |
| Estensione REFI | Rick Meyers | E-Sword Reference IOS Notes |
| Estensione REFRESH | Microsoft | Microsoft Visual Studio Refresh Format |
| Estensione REFX | Rick Meyers | E-Sword Reference Library Note |
| Estensione REG | Microsoft | Windows Registry Data Format |
| Estensione REGI | Kagi | Kagi Registration Module |
| Estensione REGS | AOL Inc. | Netscape Registry |
| Estensione REGTRANS-MS | Microsoft | Microsoft Windows Vista And Windows 7 Registry Format |
| Estensione REGULARIZER | Richard Hughey - Kevin Karplus - Anders Krogh | SAM Transition Regularizer |
| Estensione REJ | N/A | Mercurial Reject |
| Estensione REL | Symantec | Norton Internet Security 2001 Log Format |
| Estensione RELOC | Microsoft | Microsoft Windows EXE Relocation Format |
| Estensione RELS | Microsoft | Microsoft Open Office XML Relationships Format |
| Estensione REM | Research In Motion | BlackBerry Encrypted Data Format |
| Estensione RENDERMAN | Pixar | Pixar RenderMan 3.1 Specification |
| Estensione REP | Rockstar Games | Game Replay Format |
| Estensione REPATCH | Propellerhead Software AB | Reason DCAM EnvShaper Effect Preset |
| Estensione REPX | Developer Express Inc. | XtraReports Report Definition |
| Estensione REQ | N/A | SSL Certificate Request Format |
| Estensione RES | Borland | Microsoft C, C++ Compiled Resource Format |
| Estensione RESDEX | Firefly Studios Ltd. | Stronghold 3 Resource |
| Estensione RESJSON | Microsoft | Microsoft Windows 8 Metro JavaScript Format |
| Estensione RESMONCFG | Microsoft | Microsoft Windows Resource Monitor Settings Format |
| Estensione RESOURCECONFIG | Microsoft Corporation | Visual Studio Resource Configuration |
| Estensione RESOURCES | Microsoft | Microsoft Visual Studio Resource Format |
| Estensione RESP | Microsoft Corporation | Microsoft Windows Report Log |
| Estensione REST | N/A | ReStructuredText |
| Estensione RESW | Microsoft | Microsoft Windows 8 Resources Format |
| Estensione RESX | Microsoft | Microsoft Visual Studio .NET XML Resource Template Format |
| Estensione RET | SAP | SAP BusinessObjects Template Format |
| Estensione REV | RARLAB | WinRAR Recovery Volume Format |
| Estensione REW | RWTH Aachen University | MRMC Markov Reward Model Checker Definition |
| Estensione REWI | RWTH Aachen University | MRMC Markov Reward Model Checker Definition |
| Estensione REX | Propellerhead Software | ReCycle Audio Loop Export Format |
| Estensione REZ | Monolith | LithTech Game Engine Resource Format |
| Estensione RF | Sun Microsystems, Inc. | Sun Bitmap Image |
| Estensione RF0 | SmartWare Corporation | SmartWare Runtime Project |
| Estensione RF1 | N/A | Retirement Forecast Format |
| Estensione RF2 | SmartWare Corporation | SmartWare Runtime Project |
| Estensione RF3 | SmartWare Corporation | SmartWare Runtime Project |
| Estensione RF4 | SmartWare Corporation | SmartWare Runtime Project |
| Estensione RF5 | Tektronix, Inc. | Tektronix |
| Estensione RFA | Autodesk | Autodesk Revit Architecture Family Format |
| Estensione RFB | Siber Systems | RoboForm Bookmarks Format |
| Estensione RFC | Siber Systems | RoboForm Contact Format |
| Estensione RFD | Recogniform Technologies | RecogniFORM Form Definition Format |
| Estensione RFE | Institute of Fluid Mechanics and Environmental Physics in Civil Engineering | RockFlow Log |
| Estensione RFG | Raddon Financial Group | RFG Integrator System Database |
| Estensione RFGS_PC | Volition | Red Faction: Guerilla Saved Game Format |
| Estensione RFH | Raddon Financial Group | RFG Integrator Householding Database |
| Estensione RFI | Astronomical Institute of the Academy of Sciences of the Czech Republic | SPEFO Stellar Spectra Analysis |
| Estensione RFL | Propellerhead Software | Reason Sound Bank |
| Estensione RFM | Image Space | RFactor Modification Format |
| Estensione RFMOD | N/A | RFactor 2 Mod |
| Estensione RFN | Siber Systems | RoboForm SafeNote Files |
| Estensione RFO | Siber Systems | RoboForm License And Options Format |
| Estensione RFP | Siber Systems | RoboForm Passcard Format |
| Estensione RFQ | Siber Systems | RoboForm SearchCard Format |
| Estensione RFR | Adobe Systems Incorporated | Adobe Photoshop Frame Filter |
| Estensione RFS | Next Limit Technologies | RealFlow Script |
| Estensione RFT | Autodesk | Revit Template Format |
| Estensione RFV | N/A | Restricted Focus Viewer Input |
| Estensione RFW | Fuzhou Rockchip Electronics | Rockchip Firmware Format |
| Estensione RFX | Siber Systems, Inc. | RoboForm Blocked Passcard |
| Estensione RG | Chris Cannam and D. Michael McIntyre | Rosegarden Music |
| Estensione RGB | SGI | SGI RGB Bitmap Format |
| Estensione RGBA | N/A | Silicon Graphics Image File Format |
| Estensione RGBE | N/A | Radiance Map |
| Estensione RGD | Chris Cannam and D. Michael McIntyre | Rosegarden Device Definition |
| Estensione RGDB | N/A | Adobe Registration Database |
| Estensione RGE | Microsoft | Microsoft Outlook For Mac Archive Format, Entourage Personal Folder Format |
| Estensione RGF | ElcomSoft Co. Ltd. | Advanced Registry Tracer Scan Data |
| Estensione RGH | N/A | ZZ RouGH Image |
| Estensione RGI | RealNetworks, Inc. | RealArcade Game Installer |
| Estensione RGM | Relic Entertainment Inc. | Essence Game Engine Model |
| Estensione RGMB | RootsMagic | RootsMagic Backup Format |
| Estensione RGMC | RootsMagic | RootsMagic Genealogy Project Format |
| Estensione RGN | Garmin | Garmin Region Format |
| Estensione RGO | Cerience | RepliGo Virtual Print Format |
| Estensione RGP | N/A | RealArcade Game Package |
| Estensione RGRP | Avid Technology | Pro Tools Region Group Format |
| Estensione RGS | N/A | InstallShield Script For Windows Registry |
| Estensione RGSS2A | Enterbrain | RPG Maker VX RGSS Encrypted Archive Format |
| Estensione RGSS3A | Enterbrain, Inc. | RPG Maker VX RGSS Version 3 Encrypted Archive |
| Estensione RGSSAD | Enterbrain, Inc. | RPG Maker VX RGSS Encrypted Archive |
| Estensione RGU | Microsoft Corporation | Microsoft Windows Mobile Registry Entry |
| Estensione RGUNINST | RealNetworks, Inc. | RealArcade Uninstall Script |
| Estensione RGZ | Gravity Interactive Inc. | Ragnarok EXE And BGM Patch Archive |
| Estensione RH | Microsoft Corporation | C++ Resource Header |
| Estensione RHA | Adobe Systems Incorporated | Adobe RoboHelp AIR Help Project |
| Estensione RHISTORY | The R Project for Statistical Computing | R History Format |
| Estensione RHK | N/A | Backdoor.Win32.Rbot.rhk Trojan Virus |
| Estensione RHL | Edge Sounds, LLC | EdgeSounds RatHole Compressed Audio |
| Estensione RHM | Right Hemisphere Inc. | Right Hemisphere Material |
| Estensione RHP | N/A | Rhino 3D Plug-in Format |
| Estensione RHTML | N/A | Ruby HTML Web Page Format |
| Estensione RI | IBM | Lotus 1-2-3 Data |
| Estensione RIBBONS | M.Carson | Ribbons |
| Estensione RIC | The LEGO Group | Lego NXT Image Format |
| Estensione RID | BronzeWare Inc. | GerbMagic Raster Image |
| Estensione RIF | Corel | Corel Painter Raster Image Format |
| Estensione RIFF | Corel | Painter Raster Image |
| Estensione RIG | Iterum | VRigger Design Format |
| Estensione RIK | N/A | SharpMap |
| Estensione RIM | BioWare | BioWare Resource Image Format |
| Estensione RIO | IBM | IBM AIX System |
| Estensione RIP | Hit'n'Mix | Hit’n’Mix Audio Format |
| Estensione RIPXR | RipXR Corp. | RipXR Compressed Archive |
| Estensione RIS | Research Information Systems | Research Information Systems Citation Format |
| Estensione RISCOS | RISCOS Ltd. | Acorn RISC OS |
| Estensione RISE | RISE to Bloome Software | RISE Information Model Format |
| Estensione RIV | School of Aquatic & Fishery Sciences, University of Washington | CRiSP Harvest |
| Estensione RIX | RIX Softworks | ColoRIX Bitmap Image |
| Estensione RJS | N/A | Ruby JavaScript Source Code Format |
| Estensione RJT | RealNetworks, Inc. | RealPlayer Track Info Style |
| Estensione RK | M Software | WinRK Archive Format |
| Estensione RKC | Nintendo Co., Ltd. | Mario Kart Wii Competition Data |
| Estensione RKG | Nintendo Co., Ltd. | Mario Kart Wii Ghost Data |
| Estensione RKP | Rockchip | Rockchip MP4 Player Game |
| Estensione RKR | SourceForge.net | Rakarrack |
| Estensione RKT | N/A | Racket Information Module |
| Estensione RKV | Krome Studios | Star Wars The Clone Wars Republic Heroes Game Archive |
| Estensione RKW | RockWare, Inc. | RockWorks Graphics |
| Estensione RL | R.LAB | R.viewer Format |
| Estensione RL1 | Interplay Entertainment Corporation | Descent 1 Registered Level |
| Estensione RL2 | Interplay Entertainment Corporation | Descent 2 Registered Level |
| Estensione RL4 | N/A | Device-independent Bitmap |
| Estensione RLA | N/A | Alias/Wavefront Bitmap Image |
| Estensione RLB | N/A | Alias/Wavefront Bitmap Image |
| Estensione RLC | Esri | ArcView Image |
| Estensione RLD | Symantec Corporation | Norton Commander Temporary |
| Estensione RLE | N/A | Run Length Encoded Bitmap |
| Estensione RLEGZ | Golly | Golly Compressed Pattern Format |
| Estensione RLF | ESRI | ArcGIS Report Layout Format |
| Estensione RLG | ReliaSoft Corporation | Weibull++ |
| Estensione RLI | RealWorld Graphics | RealWorld Graphics Layered Image |
| Estensione RLL | Microsoft | Resource Hacker Resource Library Format |
| Estensione RLN | Alpha Software, Inc. | Alpha Four Database |
| Estensione RLOG | N/A | MPICH Log |
| Estensione RLS | Nokia | Symbian Localization Format |
| Estensione RLST | Electronic Arts, Inc. | Sims 3 Data |
| Estensione RLT | ReliaSoft Corporation | ReliaSoft BlockSim & Weibull++ |
| Estensione RLW | Reflexive® Entertainment Inc. | Ricochet Lost Worlds: Recharged |
| Estensione RLX | JustSystems Corp. | XMetaL Compiled Form |
| Estensione RM | RealNetworks | RealMedia Format |
| Estensione RM3D | MSCI Inc. | RiskMetrics RiskManager |
| Estensione RMA | RealNetworks, Inc. | RealMedia Audio |
| Estensione RMAN | Oracle Corporation | Oracle Datafile Backup |
| Estensione RMAP | CompeGPS TEAM S.L. | CompeGPS Land Raster Map |
| Estensione RMB | Utimaco Safeware AG | SafeGuard RemovableMedia Keyring Backup |
| Estensione RMBAK | PC Tools | Registry Mechanic Backup Format |
| Estensione RMC | Washington State Department of Transportation | RMCalc |
| Estensione RMD | RealNetworks | RealPlayer Media Format |
| Estensione RMDP | Microsoft Studios | Alan Wake Game Data |
| Estensione RME | SQUARE ENIX CO. | Final Fantasy Audio |
| Estensione RMF | N/A | Beatnik Rich Music Format |
| Estensione RMG | N/A | Rimage Image |
| Estensione RMGC | RootsMagic, Inc. | RootsMagic Genealogy Database |
| Estensione RMI | N/A | MIDI-sequention Music (RIFF RMID Format) |
| Estensione RMID | N/A | RIFF RMID Midi Format |
| Estensione RMJ | RealNetworks | RealAudio Media Format |
| Estensione RMK | Grafx Software Development Tools | CA Clipper RMake Makefile |
| Estensione RML | Autodesk | Redline Markup Language Format |
| Estensione RMM | RealNetworks | RAM Meta Format |
| Estensione RMN | Oracle Corporation | Oracle Recovery Manager Script |
| Estensione RMP | RealNetworks | RealAudio Audio Format |
| Estensione RMR | Individual Software | ResumeMaker Format |
| Estensione RMS | RealNetworks | RealMedia Secure Media File Format |
| Estensione RMSKIN | The Rainmeter Team | Rainmeter Skin Format |
| Estensione RMT | N/A | Linksys Router Firmware Format |
| Estensione RMUF | Alpha Software | Alpha Five Runtime Format |
| Estensione RMV | Radical Entertainment | The Simpsons Hit & Run Video Format |
| Estensione RMVB | RealNetworks | RealMedia Variable Bitrate Format |
| Estensione RMW | ALD | RAM Commander Database |
| Estensione RMX | N/A | RealMedia Secure Media Clip |
| Estensione RNA | Logotron Ltd. | Revelation Natural Art Document |
| Estensione RNC | N/A | RELAX NG Compact Syntax Format |
| Estensione RND | PGP | PGP (Pretty Good Privacy) Random Seed |
| Estensione RNG | N/A | Nokia Communicator Ringing Tone Format |
| Estensione RNK | Microsoft Corporation | Dial-up Shortcut |
| Estensione RNL | N/A | GTX Runlength Encoded Bitmap Graphics |
| Estensione RNQ | N/A | Renque Model Format |
| Estensione RNR | Trilobyte, Inc. | The 11th Hour Game Data |
| Estensione RNS | Propellerhead Software | Reason Audio Format |
| Estensione RNT | Planit | EdgeCAM Licensing Data |
| Estensione RNW | N/A | Sweave Source |
| Estensione RNX | RealNetworks | RealPlayer Audio Or Settings Format |
| Estensione RO | Procedimientos-Uno, S.L. | ROwin Project |
| Estensione ROACJ | Ubisoft Entertainment S.A. | Call Of Juarez Game Resource Data |
| Estensione ROB | Taskware | Wintask Compiled Program |
| Estensione ROBO | Arvid Halma | RoboMind Source Code |
| Estensione ROC | spacecad.com | SpaceCAD Rocket Design |
| Estensione ROCA | RIB Software | RIB Office Compressed Archive Format |
| Estensione ROCK | Rockbox | Rockbox Installation Format |
| Estensione ROCKWELL | N/A | Rockwell (modem) |
| Estensione ROCKWELL-2 | N/A | Rockwell 2-bit ADPCM Data |
| Estensione ROCKWELL-3 | N/A | Rockwell 3-bit ADPCM Data |
| Estensione ROCKWELL-4 | N/A | Rockwell 4-bit ADPCM Data |
| Estensione ROD | Actuate | Actuate E.Report Designer Report Object Design |
| Estensione RODL | RemObjects | RemObjects Definition Language Format |
| Estensione ROFF | N/A | Unformatted Manual Page (Roff/nroff/troff/groff) |
| Estensione ROFL | Riot Games Inc. | Leagues Of Legends Replay |
| Estensione ROG | N/A | Roger 2 Data Format |
| Estensione ROH | N/A | Avantes |
| Estensione ROI | Actuate | Report Object Instance |
| Estensione ROL | N/A | AdLib Visual Composer Music Data Format |
| Estensione ROM | N/A | Read Only Memory Image (emulators/AONs) |
| Estensione ROO | N/A | WinRAR Archive |
| Estensione ROQ | Id Software | Id Software Game Video |
| Estensione ROS | Jonathan Taylor | BattleScribe Data Format |
| Estensione ROT | Sierra Entertainment | Homeworld 2 Game Graphics Data Format |
| Estensione ROTEST | RemObjects | RemObjects SDK Test Format |
| Estensione ROTESTRESULT | RemObjects | RemObjects SDK Test Results Format |
| Estensione ROU | N/A | Gerber Route Format |
| Estensione ROV | N/A | Actuate E.Report Designer Report Object Value |
| Estensione ROW | Actuate Corporation | Actuate E.Report HTML Report Document |
| Estensione ROX | Sonic Solutions | Roxio Creator Project Format |
| Estensione ROXIO | Sonic Solutions | Roxio Creator Project Format |
| Estensione ROZ | aSc Applied Software Consultants | ASc TimeTables Timetable |
| Estensione RP | N/A | RealPix Image Format |
| Estensione RP2 | Cloanto | RetroPlatform Player (Amiga Forever) Format |
| Estensione RP3 | Electronic Arts, Inc. | Need For Speed Game |
| Estensione RP9 | Cloanto | RetroPlatform Format |
| Estensione RPA | RIB Software | RIB ITWO Project Archive Format |
| Estensione RPACK | Ubisoft Entertainment S.A. | Call Of Juarez Game Data |
| Estensione RPB | Famatech | Radmin Phonebook Format |
| Estensione RPBM | N/A | Portable Bitmap Image |
| Estensione RPC | The Sage Group plc | ACT! Report |
| Estensione RPD | Hand Multimedia | Roleplay Designer Data Format |
| Estensione RPE | XStream Software | Performance Analyzer |
| Estensione RPF | N/A | 3ds Max Rich Pixel Format |
| Estensione RPG | Christopher Matthews | The RPG Programming Language |
| Estensione RPGM | N/A | Portable Greyscale Image |
| Estensione RPI | N/A | Render Extension |
| Estensione RPJ | Uni Comp | Real Pac Batch Job Format |
| Estensione RPK | RadLight | RadLight Skin Format |
| Estensione RPL | Nabi Studios | Toribash Replay Game Format |
| Estensione RPLIB | Axure Software Solutions | Axure Widget Library Format |
| Estensione RPLN | Adobe Systems Incorporated | Adobe InDesign Required Function Library |
| Estensione RPM | Red Hat | Linux Package Manager Format |
| Estensione RPMSG | Microsoft | Microsoft Restricted Permission Message Format |
| Estensione RPN | The Sage Group plc | ACT! 2.0 Report |
| Estensione RPNM | N/A | Portable Image Image |
| Estensione RPO | IBM | IBM XL C/C++ For Linux Compiler |
| Estensione RPP | Cockos | REAPER Project Format |
| Estensione RPPM | N/A | Portable Image Image Format |
| Estensione RPPRJ | Axure Software Solutions | Axure RP Shared Project Format |
| Estensione RPR | IBM | IBM Voice Type Languages Vocabels |
| Estensione RPROFILE | N/A | Quick-R R Programming Language Configuration |
| Estensione RPS | Autodesk | 3D Studio Max Render Preset Settings Format |
| Estensione RPT | SAP | Report Format |
| Estensione RPT2 | eSignal | ESignal Report |
| Estensione RPTPROJ | Microsoft Corporation | Microsoft Visual Studio 2008 Report Project |
| Estensione RPTR | RafflePrinter.com | RafflePrinter Document Format |
| Estensione RPTX | Spiceworks Inc. | Spiceworks Report |
| Estensione RPV | RealNetworks, Inc. | RealPlayer Visualization |
| Estensione RPW | N/A | RPWiz Project |
| Estensione RPX | Geocentrix Ltd. | Repute Tutorial |
| Estensione RPY | N/A | Python Script Format |
| Estensione RPYC | Ren'Py | RenPy Game Engine Compiled Script Format |
| Estensione RPYM | N/A | RenPy Module |
| Estensione RPZ | SAP AG | Crystal Reports ZIP Compressed And Encrypted Report |
| Estensione RQC | Micro Focus International plc | Micro Focus Revolve |
| Estensione RQI | R-Quest Technologies, LLC | TrueNet R-Quest Disc Image |
| Estensione RQM | N/A | IBM RequisitePro Metrics Report |
| Estensione RQT | N/A | Report Quality Plotting Module |
| Estensione RQY | Microsoft Corporation | Microsoft Excel OLE DB Query |
| Estensione RRA | Iterum | VRigger Rigging Format |
| Estensione RRC | BlackBerry (Research In Motion Limited) | BlackBerry Java Resource Content |
| Estensione RRD | N/A | Reduced Resolution Dataset Format |
| Estensione RRD4J | N/A | RRD4J Graph |
| Estensione RRF | Raymarine UK Ltd | Raytech |
| Estensione RRG | JRiver, Inc. | JRiver Media Center License |
| Estensione RRH | BlackBerry (Research In Motion Limited) | BlackBerry Resource Header |
| Estensione RRI | RealWorld Graphics | RealWorld Icon Editor Picture Image Format |
| Estensione RRPA | Oracle Corporation | Oracle Reports Remote Printing Utility PDF Report |
| Estensione RRR | PC Tools | Registry Mechanic Backup Format |
| Estensione RRT | Alta Vente | Rhapzode Resource Template Format |
| Estensione RRX | IBM | IBM Datacap Define |
| Estensione RS | Utilant | RapidSketch Sketch Document Format |
| Estensione RS1 | Natural Resources Canada | RETScreen Spreadsheet |
| Estensione RS2 | RailSim2 | RailSim2 Layout Format |
| Estensione RS7 | Synopsys, Inc. | LightTools Radiant Source Model |
| Estensione RS8 | Radiant ZEMAX, LLC. | ProSource |
| Estensione RSA | N/A | RSA Digital Certificate Format |
| Estensione RSB | Ubisoft Entertainment | Red Storm Bitmap Format |
| Estensione RSC | Nokia | Symbian Application Compiled Resource Format |
| Estensione RSD | REAL | Database Format |
| Estensione RSD-JOURNAL | N/A | REALSQLDatabase Journal |
| Estensione RSDB | Resort Software Pty. Ltd. | Resort Software Database |
| Estensione RSDF | RapidShare | RapidShare Download Settings Format |
| Estensione RSDS | N/A | SharePoint Shared Data Source |
| Estensione RSED | http://www.resedit.net/ | ResEdit |
| Estensione RSF | Mediafour Corporation | Mediafour MacDrive Macintosh Resource Fork |
| Estensione RSFX | Attachmate Corporation | Reflection |
| Estensione RSG | Surreal Software, Inc. | Drakan Order Of The Flame |
| Estensione RSH | Relic Entertainment Inc. | Warhammer 40,000 Texture |
| Estensione RSI | Reactive Systems, Inc. | Reactis |
| Estensione RSL | Corel Corporation | Corel Paradox Saved Form |
| Estensione RSM | WinWay | WinWay Deluxe Resume Format |
| Estensione RSML | RealNetworks, Inc. | RealPlayer ML |
| Estensione RSN | Propellerhead | Propellerhead Reason Audio Format |
| Estensione RSO | LEGO | LEGO NXT Brick Audio Format |
| Estensione RSP | Rockwell Automation | RSLogix PLC Program Format |
| Estensione RSQ | IBM | IBM 4690 Operating System |
| Estensione RSR | Smith Micro | Poser Model Preview Format |
| Estensione RSRC | N/A | MAC OS Resource Format |
| Estensione RSRS | Magic Modules Pty Ltd | Buddy API |
| Estensione RSS | N/A | Really Simple Syndication - RSS File Format |
| Estensione RST | N/A | ReStructuredText Format |
| Estensione RSU | Attachmate Corporation | Reflection For IBM Updated Settings |
| Estensione RSV | Rockwell Automation | RSView32 Project Format |
| Estensione RSW | N/A | R&R SQL Report Writer Report Format |
| Estensione RSX | RED | RED Metadata XML Format |
| Estensione RSYM | Graphisoft | ArchiCAD For Mac Geometric Description Language |
| Estensione RS_ | Apple, Inc. | Macintosh Resource Fork |
| Estensione RT | RealNetworks | RealText Subtitle Format |
| Estensione RT2 | Des & Lorraine Newman | OziExplorerCE Route |
| Estensione RTA | Adobe Systems | Adobe RoboHelp Configuration Format |
| Estensione RTAB | N/A | Randy Tab Guitar Tablature |
| Estensione RTB | Robert McNeel & Associates | Rhino 3D Toolbar Collection |
| Estensione RTC | Microsoft | Microsoft Office Live Meeting Connection Format |
| Estensione RTD | N/A | Ragtime Examples Render Format |
| Estensione RTE | N/A | RTEncoder RTE Encoded Format |
| Estensione RTF | N/A | Rich Text Format Document |
| Estensione RTFD | N/A | Rich Text With Graphic Document Format |
| Estensione RTG | Autodesk, Inc. | Autodesk Maya 3D Scene Data |
| Estensione RTH | ANSYS Inc. | ANSYS Results |
| Estensione RTI | N/A | Real Tracker Instrument Format |
| Estensione RTK | Adobe Systems Incorporated | Adobe RoboHelp Configuration |
| Estensione RTKT | GeoVisu Development Team | Royaltek Binary Data |
| Estensione RTL | N/A | HP Raster Transfer Language Bitmap Image |
| Estensione RTM | N/A | Real Tracker Music Module (MOD) Format |
| Estensione RTMAP | CompeGPS TEAM S.L. | CompeGPS Land Raster Map |
| Estensione RTN | Optical Gaging Products, Inc. | MeasureMind 3D |
| Estensione RTP | N/A | TurboTax Update Format |
| Estensione RTPI | N/A | 3rdTech Scanner |
| Estensione RTR | Fantiusen Software | Astrotite 200X Offline Data Repair |
| Estensione RTS | RealNetworks | RealAudio RTSL Document |
| Estensione RTSL | N/A | RealAudio RTSL Document |
| Estensione RTSP | Apple, Inc. | Apple QuickTime Real-time Streaming Protocol |
| Estensione RTSTN | RapidSolution Software | Audials Station Format |
| Estensione RTSX | code4ward | Royal TS Document Settings |
| Estensione RTT | RagTime GmbH | Ragtime |
| Estensione RTTTL | Nokia Corporation | RTTTL / Nokring Mobile Ring-tone Format |
| Estensione RTU | Guru3D.com | RivaTuner Update |
| Estensione RTW | MathWorks, Inc. | Real-Time Workshop Database |
| Estensione RTWSH | RapidSolution Software | Radiotracker Wishlist Format |
| Estensione RT_ | Microsoft Corporation | Microsoft Windows Winhelp Compressed |
| Estensione RU | N/A | JavaSoft JRE 1.3 Library |
| Estensione RUB | The jQuery Foundation | JQuery Rules |
| Estensione RUF | Samsung | Samsung DVD And Blu-ray Player Firmware Format |
| Estensione RUJ | Oracle Corporation | Oracle Recovery-Unit Journal |
| Estensione RUL | N/A | Rule Format |
| Estensione RULE | Microsoft Corporation | Visual C++ Project Rules |
| Estensione RULESET | Microsoft | Microsoft Visual Studio Code Analysis Ruleset Format |
| Estensione RUM | RAD Game Tools | Bink Video Subtitle Format |
| Estensione RUN | N/A | Linux Executable Format |
| Estensione RUP | IBM | IBM Rational Unified Process |
| Estensione RUS | GPS Moldova | Navitel Navigator Map |
| Estensione RV | RealNetworks | RealVideo Video Format |
| Estensione RV3 | DJI Interprises, LLC | Newsbin Pro |
| Estensione RV9 | RealNetworks, Inc. | RealVideo Movie |
| Estensione RVB | Robert McNeel & Associates | Rhinoceros 3D Visual Basic Script |
| Estensione RVC | MicroImages, Inc. | TNTmips Windows Version Project |
| Estensione RVD | softelec | VPHybridCAD Native Drawing Format |
| Estensione RVDATA | Enterbrain | RPG Maker Data Format |
| Estensione RVDATA2 | Enterbrain, Inc. | RPG Maker VX Data |
| Estensione RVF | Sergey Tkachenko | RichView Document |
| Estensione RVG | Autodesk, Inc. | Revit External Group |
| Estensione RVI | Eidos Interactive Ltd. | Revenant Game Archive |
| Estensione RVID | Ambrosia Software | Snapz Pro X Video Format |
| Estensione RVL | muvee | Muvee Project |
| Estensione RVM | Eidos Interactive Ltd. | Revenant Game Archive |
| Estensione RVMAT | Bohemia Interactive | Armed Assault Texture |
| Estensione RVP | Microsoft Corporation | Microsoft Scan Configuration |
| Estensione RVPROJ | Enterbrain | RPG Maker VX Project Format |
| Estensione RVPROJ2 | Enterbrain, Inc. | RPG Maker VX Project |
| Estensione RVR | Eidos Interactive Ltd. | Revenant Game Archive |
| Estensione RVS | RasterVect Software | RasterVect Raster And Vector Graphics |
| Estensione RVT | Autodesk | Autodesk Revit Architecture Project Format |
| Estensione RVW | Element River, LLC. | ReviewMate Review |
| Estensione RVX | RealNetworks | Real Protected Video Format |
| Estensione RW | mackoy | BVE Trainsim Railway Definition |
| Estensione RW2 | Panasonic | Panasonic Lumix RAW Image Format |
| Estensione RW3 | Realmac Software | RapidWeaver Site Design Format |
| Estensione RW5 | Spectra Precision | Survey Pro Data |
| Estensione RWA | ReliaSoft Corporation | Weibull++ |
| Estensione RWC | Wind Energy Division at Risø DTU, Denmark | WAsP Regional Wind Climate |
| Estensione RWD | NRG Systems | RWD Compressed Game Archive |
| Estensione RWG | Gammadyne | Random Word Generator File Format |
| Estensione RWK | Bentley Systems, Incorporated | Bentley InRoads Project |
| Estensione RWL | Leica | D-Lux 4 RAW Image Format |
| Estensione RWLIBRARY | Mariner Software | Paperless Receipt Library Format |
| Estensione RWM | Microsoft Corporation | Windows Imaging Resource Only |
| Estensione RWO | MathWorks, Inc. | Matlab Output |
| Estensione RWP | Realmac Software | RapidWeaver Web Package Format |
| Estensione RWPLUGIN | Realmac Softwaree | RapidWeaver Plugin Format |
| Estensione RWR | Sonoma Wire Works | RiffWorks IntelliRiffer |
| Estensione RWS | eEye Digital Security | Retina Wireless Scanner Format |
| Estensione RWSNIPPET | Realmac Software | RapidWeaver Snippet Format |
| Estensione RWSTYLE | Realmac Software | RapidWeaver Style Format |
| Estensione RWSW | Realmac Software | RapidWeaver Website Saved Project |
| Estensione RWTHEME | Realmac Software | RapidWeaver Theme Format |
| Estensione RWTL | ResearchWare, Inc. | HyperRESEARCH |
| Estensione RWX | AOL Inc. | Netscape Live 3D |
| Estensione RWZ | Microsoft | Microsoft Outlook Internet Rules Settings Format |
| Estensione RX | Microsoft Corporation | MS-DOS 7 |
| Estensione RX2 | Propellerhead Software | ReCycle! Audio Loop Format |
| Estensione RX3 | Electronic Arts, Inc. | FIFA 11 Texture |
| Estensione RXC | Sonic Solutions | Roxio Certificate Format |
| Estensione RXD | Attachmate Corporation | Attachmate Reflection X Manager Definition |
| Estensione RXDATA | N/A | RPG Maker RMXP Data Format |
| Estensione RXE | The LEGO Group | Lego Mindstorms NXT Executable Format |
| Estensione RXL | Seetrax CAE Ltd. | Seetrax Ranger CAD Drawing |
| Estensione RXM | Attachmate Corporation | Reflection X Multi Session |
| Estensione RXML | Roxen Internet Software AB | Roxen Macro Language |
| Estensione RXP | Roxio | Easy CD & DVD Creator 6 Playlist |
| Estensione RXPROJ | Enterbrain, Inc. | RPG Maker Project |
| Estensione RXS | Remedy Interactive, Inc. | RSIGuard RSIScript |
| Estensione RXX | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| Estensione RZ | N/A | Rzip Compressed Archive |
| Estensione RZB | Red Zion | Red Zion E-book Book Format |
| Estensione RZK | Red Zion | File Crypt Password Format |
| Estensione RZN | Red Zion | Red Zion E-book Notes Format |
| Estensione RZR | N/A | Renamed WinRAR Archive |
| Estensione RZS | Red Zion | Red Zion Security Format |
| Estensione RZX | Red Zion | File Crypt Encrypted Format |
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