| File extension |
File description |
Developer/Producer |
| .r |
Rez Source Code File |
Apple |
| .r0 |
WinRAR Compressed Archive |
RARLAB |
| .r00 |
WinRAR Compressed Archive |
RARLAB |
| .r01 |
WinRAR Split Archive Part 1 |
RARLAB |
| .r02 |
WinRAR Split Archive Part 2 |
RARLAB |
| .r03 |
WinRAR Split Archive Part 3 |
RARLAB |
| .r1 |
WinRAR Multi-Volume Archive Part 1 |
RARLAB |
| .r1m |
RealOne Streaming Media File |
RealNetworks |
| .r2 |
WinRAR Multi-Volume Archive Part 2 |
RARLAB |
| .r21 |
WinRAR Split Archive Part 21 |
Eugene Roshal |
| .r30 |
WinRAR Split Archive Part 30 |
Eugene Roshal |
| .r3d |
REDCODE Video File |
RED |
| .ra |
Real Audio File |
RealNetworks |
| .rad |
VRAD Lights File |
Valve |
| .radiumkey2 |
Radium 2 License File |
CatPig Studios |
| .radq |
Need for Madness Game Archive |
RadicalPlay.com |
| .raf |
Fuji RAW Image File |
Fuji |
| .ral |
WinRail Track Design File |
Span Software |
| .ram |
Real Audio Metadata File |
RealNetworks |
| .rar |
WinRAR Compressed Archive |
Eugene Roshal |
| .rar5 |
WinRAR Compressed Archive |
RARLAB |
| .ras |
Sun Raster Graphic |
Sun Microsystems |
| .raskinlicense |
Raskin License File |
Raskin Software |
| .raskinplace |
Raskin Place Layout File |
Raskin Software |
| .rat |
PICS Rating File |
W3C |
| .ratdvd |
RatDVD Disk Image |
ACE GmbH |
| .rav |
Rave Reports Project File |
Nevrona Designs |
| .raw |
Raw Image Data File |
N/A |
| .rax |
Real Music Store Audio File |
RealNetworks |
| .ray |
Rayshade Image |
Craig Kolb |
| .rb |
Ruby Source Code |
N/A |
| .rb4 |
Resume Builder 4 File |
Sarm Software |
| .rbc |
Retrospect Backup Catalog File |
EMC Insignia |
| .rbf |
Windows Installer Rollback File |
Microsoft |
| .rbj |
XRK Compiled Redcode Object File |
Marco Pontello |
| .rbk |
Windows 95 Registry Backup File |
Microsoft |
| .rbp |
Real Studio Project File |
REAL Software |
| .rbs |
Rebirth Song File |
Propellerhead Software |
| .rbt |
Lego MINDSTORMS NXT Program |
LEGO |
| .rbvcp |
Real Studio Version Controlled Project |
REAL Software |
| .rbx |
Rembo-C Compiled Script |
IBM |
| .rbxl |
ROBLOX Location File |
ROBLOX |
| .rbxm |
ROBLOX Model |
ROBLOX |
| .rbxs |
ROBLOX Script |
ROBLOX |
| .rbz |
SketchUp Plug-in |
Trimble |
| .rc |
Resource Script |
Microsoft |
| .rc1 |
Samsung Mobile Device Firmware File |
Samsung |
| .rc2 |
Visual Studio Resources File |
Microsoft |
| .rcd |
pcAnywhere Recorded Session File |
Symantec |
| .rcf |
SonicWALL VPN Configuration File |
SonicWALL |
| .rcg |
Recog Character Recognition Set |
Recog |
| .rcl |
Easy CD and DVD Creator 6 Project |
Sonic Solutions |
| .rco |
PlayStation Portable Resource File |
Sony |
| .rcs |
RandomControl Scene File |
RandomControl |
| .rct |
Visual Studio Resource Template |
Microsoft |
| .rcu |
RealWorld Layered Cursor Image |
RealWorld Graphics |
| .rcx |
REDCINE-X Project File |
RED |
| .rcy |
ReCycle 1.x Document |
Propellerhead Software |
| .rda |
R Data File |
The R Project for Statistical Computing |
| .rdata |
R Workspace File |
The R Project for Statistical Computing |
| .rdb |
N64 ROM Database |
N/A |
| .rdc |
IDRISI Raster Documentation File |
Clark Labs |
| .rdf |
Resource Description Framework File |
N/A |
| .rdi |
Rohos Disk Image File |
Tesline-Service |
| .rdl |
MicroStation Redline File |
Bentley Systems |
| .rdlc |
Visual Studio Client Report Definition File |
Microsoft |
| .rdlx |
Power View Project File |
Microsoft |
| .rdo |
Xerox Rawster Document Object File |
N/A |
| .rdp |
Remote Desktop Configuration File |
Microsoft |
| .rds |
Ray Dream Studio Scene File |
DAZ Productions |
| .rdx |
Reflex Data File |
Borland |
| .readme |
Readme File |
N/A |
| .reb |
REBOL Script File |
REBOL Technologies |
| .rec |
Topfield PVR Recording |
Topfield |
| .record |
GarageBand Records Audio File |
DaveTech |
| .red |
CADViewer Redline Markup File |
Tailor Made Software |
| .redir |
Spotify Executable Redirect File |
Spotify |
| .ref |
Microsoft Train Simulator Reference File |
Microsoft |
| .reference |
Budget In Brief Reference File |
N/A |
| .refresh |
Visual Studio Refresh File |
Microsoft |
| .reg |
Registry File |
Microsoft |
| .regtrans-ms |
Registry Transaction Log File |
Microsoft |
| .rel |
Norton Internet Security Log File |
Symantec |
| .reloc |
Windows EXE Relocation Section File |
Microsoft |
| .rels |
Open Office XML Relationships File |
Microsoft |
| .rem |
BlackBerry Encrypted Data File |
Research In Motion |
| .rep |
Grand Theft Auto Replay File |
Rockstar Games |
| .req |
SSL Certificate Request File |
N/A |
| .res |
C++ Complied Resource Script |
N/A |
| .resjson |
Windows JavaScript Resources File |
Microsoft |
| .resmoncfg |
Resource Monitor Configuration File |
Microsoft |
| .resources |
Visual Studio Resource File |
Microsoft |
| .resw |
Windows Resources File |
Microsoft |
| .resx |
.NET Managed Resources File |
Microsoft |
| .ret |
BusinessObjects Template |
SAP |
| .rev |
RAR Recovery Volume Set |
RARLAB |
| .rex |
ReCycle Loop File |
Propellerhead Software |
| .rez |
Lithtech Game Engine Resource File |
Monolith |
| .rf1 |
Retirement Forecast File |
N/A |
| .rfa |
Revit Family File |
Autodesk |
| .rfb |
RoboForm Bookmark File |
Siber Systems |
| .rfc |
RoboForm Contact File |
Siber Systems |
| .rfd |
Recogniform Form Designer File |
Recogniform Technologies |
| .rfgs_pc |
Red Faction: Guerilla Saved Game File |
Volition |
| .rfl |
Reason ReFill Sound Bank |
Propellerhead Software |
| .rfm |
rFactor Modification File |
Image Space |
| .rfn |
RoboForm Safenote File |
Siber Systems |
| .rfo |
RoboForm Option File |
Siber Systems |
| .rfp |
RoboForm Passcard File |
Siber Systems |
| .rfq |
RoboForm SearchCard File |
Siber Systems |
| .rft |
Revit Family Template File |
Autodesk |
| .rfw |
Rockchip Firmware File |
Fuzhou Rockchip Electronics |
| .rgb |
RGB Bitmap |
SGI |
| .rge |
Entourage File Archive |
Microsoft |
| .rgmb |
RootsMagic Backup File |
RootsMagic |
| .rgmc |
RootsMagic Genealogy Project File |
RootsMagic |
| .rgn |
Garmin Regional Map File |
Garmin |
| .rgo |
RepliGo File |
Cerience |
| .rgp |
RealArcade Game Package |
N/A |
| .rgrp |
Pro Tools Region Group File |
Avid Technology |
| .rgs |
Registry Script |
N/A |
| .rgss2a |
RPG Maker VX RGSS Encrypted Archive |
Enterbrain |
| .rhistory |
R History File |
The R Project for Statistical Computing |
| .rhp |
Rhino Plug-in |
McNeel |
| .rhtml |
Ruby HTML Web Page |
N/A |
| .ric |
NXT Image File |
The LEGO Group |
| .rif |
Painter Raster Image File |
Corel |
| .riff |
Painter Raster Image |
Corel |
| .rig |
vRigger Design File |
Iterum |
| .rim |
BioWare Resource Image File |
BioWare |
| .ris |
Research Information Systems Citation File |
Research Information Systems |
| .rise |
RISE Editor Model File |
RISE to Bloome Software |
| .rix |
ColoRIX Image |
RIX Softworks |
| .rjs |
Ruby Javascript File |
N/A |
| .rk |
WinRK File Archive |
M Software |
| .rkp |
Rockchip MP4 Player Game |
Rockchip |
| .rl |
R.viewer List File |
R.LAB |
| .rle |
Run Length Encoded Bitmap |
N/A |
| .rle.gz |
Golly Compressed Simulation Pattern File |
Golly |
| .rlf |
ArcGIS Report Layout File |
ESRI |
| .rli |
RealWorld Graphics Layered Image |
RealWorld Graphics |
| .rll |
Microsoft Resource Library |
Microsoft |
| .rls |
Symbian Localization File |
Nokia |
| .rm |
Real Media File |
RealNetworks |
| .rmbak |
Registry Mechanic Backup File |
PC Tools |
| .rmd |
RED Metadata File |
RED |
| .rmf |
Adobe Rights Management Document |
Adobe Systems |
| .rmi |
RMID MIDI File |
N/A |
| .rmj |
Real Media Jukebox Audio File |
RealNetworks |
| .rml |
Redline Markup Language File |
Autodesk |
| .rmm |
RAM Meta File |
RealNetworks |
| .rmp |
RealPlayer Metadata Package File |
RealNetworks |
| .rmr |
ResumeMaker File |
Individual Software |
| .rms |
Secure Real Media File |
RealNetworks |
| .rmskin |
Rainmeter Skin File |
The Rainmeter Team |
| .rmt |
Router Firmware File |
N/A |
| .rmuf |
Alpha Five Runtime License File |
Alpha Software |
| .rmv |
The Simpsons Hit & Run Video File |
Radical Entertainment |
| .rmvb |
RealMedia Variable Bit Rate File |
RealNetworks |
| .rmx |
RealJukebox Format |
RealNetworks |
| .rnc |
RELAX NG Compact Syntax File |
N/A |
| .rnd |
PGP Random Seed File |
PGP |
| .rng |
Nokia Composer Ringtone |
N/A |
| .rnq |
Renque Model File |
N/A |
| .rns |
Reason Song File |
Propellerhead Software |
| .rnx |
RealPlayer Settings File |
RealNetworks |
| .roca |
RIB office Compressed Archive |
RIB Software |
| .rock |
Rockbox Plug-in |
Rockbox |
| .rod |
Actuate Report Object Design File |
Actuate |
| .rodl |
RemObjects Definition Language File |
RemObjects |
| .rog |
Roger 2 Input Data File |
N/A |
| .roi |
Report Object Instance |
Actuate |
| .rol |
Ad Lib Synthesized Instrument |
N/A |
| .rom |
N64 Game ROM File |
N/A |
| .roq |
Id Software Game Video |
Id Software |
| .ros |
BattleScribe Roster Editor File |
Jonathan Taylor |
| .rot |
Homeworld 2 Graphics File |
Sierra Entertainment |
| .rotest |
RemObjects SDK Test File |
RemObjects |
| .rotestresult |
RemObjects SDK Test Results File |
RemObjects |
| .rou |
Gerber Route File |
N/A |
| .rov |
Report Object Variable |
N/A |
| .rox |
Roxio Project File |
Sonic Solutions |
| .roxio |
Roxio Project |
Sonic Solutions |
| .rp |
Axure RP Project File |
Axure Software Solutions |
| .rp2 |
RetroPlatform Player Program Archive |
Cloanto |
| .rp9 |
RetroPlatform Disk Image Archive |
Cloanto |
| .rpa |
RIB Project Archive File |
RIB Software |
| .rpb |
Radmin Phonebook File |
Famatech |
| .rpd |
Roleplay Designer Data File |
Hand Multimedia |
| .rpf |
Rich Pixel Format File |
N/A |
| .rpi |
Render Plug-in |
N/A |
| .rpj |
Real Pac Batch Job File |
Uni Comp |
| .rpk |
RadLight Media Player Skin |
RadLight |
| .rpl |
Toribash Replay File |
Nabi Studios |
| .rplib |
Axure RP Widget Library File |
Axure Software Solutions |
| .rpm |
Red Hat Package Manager File |
Red Hat |
| .rpmsg |
Outlook Restricted Permission Message |
Microsoft |
| .rpp |
REAPER Project File |
Cockos |
| .rpprj |
Axure RP Shared Project File |
Axure Software Solutions |
| .rps |
3ds Max Render Preset Settings |
Autodesk |
| .rpt |
Crystal Reports File |
SAP |
| .rptr |
RafflePrinter Document |
RafflePrinter.com |
| .rpy |
Python Script |
N/A |
| .rra |
vRigger Rigging Gear File |
Iterum |
| .rrd |
Reduced Resolution Dataset File |
N/A |
| .rri |
RealWorld Image |
RealWorld Graphics |
| .rrr |
Registry Mechanic Backup File |
PC Tools |
| .rrt |
Rhapzode Resource Template |
Alta Vente |
| .rs |
RapidSketch Document |
Utilant |
| .rs2 |
RailSim2 Saved Layout File |
RailSim2 |
| .rsa |
RSA Certificate File |
N/A |
| .rsb |
Red Storm Bitmap File |
Ubisoft Entertainment |
| .rsc |
Symbian Application Compiled Resource File |
Nokia |
| .rsd |
RealSQLDatabase File |
REAL |
| .rsdf |
RapidShare Download File |
RapidShare |
| .rsm |
WinWay Resume Deluxe Resume File |
WinWay |
| .rsn |
Reason Project File |
Propellerhead |
| .rso |
NXT Brick Audio File |
LEGO |
| .rsp |
RSLogix PLC Program File |
Rockwell Automation |
| .rsr |
Poser Model Preview File |
Smith Micro |
| .rsrc |
Macintosh Resource File |
Apple |
| .rss |
Rich Site Summary |
N/A |
| .rst |
reStructuredText File |
N/A |
| .rsv |
RSView32 Project File |
Rockwell Automation |
| .rsw |
R&R SQL Report Writer Report File |
N/A |
| .rsx |
RED Metadata XML File |
RED |
| .rt |
RealText Streaming Text File |
RealNetworks |
| .rta |
RoboHelp RTA Data File |
Adobe Systems |
| .rtc |
Live Meeting Connection File |
Microsoft |
| .rtd |
Robot Structural Analysis Design File |
Autodesk |
| .rte |
RTE Encoded File |
N/A |
| .rtf |
Rich Text Format File |
N/A |
| .rtfd |
Rich Text Format Directory File |
Apple |
| .rti |
Real Tracker Instrument |
N/A |
| .rtm |
LabVIEW Run-Time Menu File |
National Instruments |
| .rtp |
Gromacs Residue Topology Parameter File |
Gromacs |
| .rts |
Royal TS Remote Connection File |
code4ward |
| .rtstn |
Audials Station File |
RapidSolution Software |
| .rtwsh |
Radiotracker Wishlist File |
RapidSolution Software |
| .rtx |
Rich Text Document |
N/A |
| .ru |
Java Russian Font Properties File |
N/A |
| .ruf |
Samsung DVD and Blu-ray Player Firmware File |
Samsung |
| .rul |
InstallShield Rules File |
Flexera Software |
| .ruleset |
Visual Studio Code Analysis Rule Set File |
Microsoft |
| .rum |
Bink Video Subtitle File |
RAD Game Tools |
| .run |
Linux Executable File |
N/A |
| .rv |
Real Video File |
RealNetworks |
| .rvdata |
RPG Maker VX Data File |
Enterbrain |
| .rvid |
Snapz Pro X Recorded Video File |
Ambrosia Software |
| .rvl |
Muvee Reveal X Project File |
muvee |
| .rvproj |
RPG Maker VX Project File |
Enterbrain |
| .rvt |
Revit Project File |
Autodesk |
| .rvx |
Real Protected Video File |
RealNetworks |
| .rw2 |
Panasonic RAW Image |
Panasonic |
| .rw3 |
RapidWeaver 3 Site File |
Realmac Software |
| .rwd |
NRG Raw Wind Data File |
NRG Systems |
| .rwg |
Random Word Generator Project File |
Gammadyne |
| .rwl |
Leica RAW Image |
Leica |
| .rwlibrary |
Paperless Receipt Library |
Mariner Software |
| .rwp |
RapidWeaver Package |
Realmac Software |
| .rwplugin |
RapidWeaver Plugin |
Realmac Softwaree |
| .rws |
Retina Wireless Scanner File |
eEye Digital Security |
| .rwsnippet |
RapidWeaver Snippet File |
Realmac Software |
| .rwstyle |
RapidWeaver Style File |
Realmac Software |
| .rwsw |
RapidWeaver Site File |
Realmac Software |
| .rwtheme |
RapidWeaver Theme |
Realmac Software |
| .rwz |
Outlook Rules Wizard File |
Microsoft |
| .rx2 |
REX2 Audio File |
Propellerhead Software |
| .rxc |
Roxio Certificate File |
Sonic Solutions |
| .rxdata |
RMXP Data File |
N/A |
| .rxe |
Lego Mindstorms NXT Executable Program |
The LEGO Group |
| .rz |
Rzip Compressed File |
N/A |
| .rzb |
Red Zion Book File |
Red Zion |
| .rzk |
File Crypt Password File |
Red Zion |
| .rzn |
Red Zion Notes File |
Red Zion |
| .rzs |
Red Zion Security File |
Red Zion |
| .rzx |
File Crypt Encrypted File |
Red Zion |
