List of Data File Formats Starting with the Letter "R"
| .r | Ratfor (FORTRAN preprosessor) file |
| .r33 | Train Simulator Game file |
| .r8 | Raw graphics (one byte per pixel) plane one (PicLab) |
| .r8p | Pcl 4 bitmap font file (Intellifont) |
| .ra | Music (RealAudio) |
| .ram | Ramfile (RealAudio) |
| .rar | Compressed file archive created by RAR (rar1_402.exe) |
| .ras | Sun Rasterfile graphics |
| .rat | Datafile (RATS) |
| .raw | Raw RGB 24-bit graphics |
| .rb | Ruby on Rails class file |
| .rbf | Windows Installer Rollback file |
| Datafile (Rbase) | |
| .rbn | Richard's Bridge Notation |
| Real Sound file | |
| .rbs | Windows Installer Rollback Script file |
| .rbx | Format for playing RapidPlayer v3.0 ActiveX Control in Explorer |
| .rc | Resource script (Visual C/C++ - Borland C++) |
| Configuration (emacs) | |
| .rcf | Rhapsody Storage file |
| .rcg | Netscape newsgroup file (netsc.rcg) |
| .rcp | Recomposer's MIDI Sequencer Music file |
| .rcx | Lego Mindstorms Robotics Invention System |
| .rdb | TrueVector Rules database |
| ZoneAlarm Rules database | |
| .rdf | Compiled UIC source code (Geoworks UI Compiler) |
| .rdi | Device-independent bitmap file (RIFF RDIB format) |
| .rds | Ray Dream Studio file |
| .rdx | Datafile (Reflex) |
| .rec | Datafile (EpiInfo) |
| Record file (Sprint) | |
| Recorded macro file (Windows 3.x) | |
| .red | Path info (Clarion Modula-2) |
| .ref | Cross-reference |
| .reg | OLE Registration (Windows 3.x) |
| Registration (Corel programs) | |
| .rels | Microsoft Office 2007 Relationships |
| .rem | Encrypted Data file |
| Remarks | |
| .rep | QWK reader reply file |
| Report (Report Designer - CodeReporter - DataBoss) | |
| .req | Request |
| .res | Compiled resource (MS C/C++ - Borland C++) |
| Dbase resources (dBASE IV) | |
| .rev | Revision file (Geoworks) |
| .rex | Rexx source code file |
| .rex | Report definition (Oracle) |
| .rez | Resource file |
| .rf | Sun raster graphics |
| .rfl | Roll Forward Log file |
| .rft | Dca/RFT Revisable Format Text file (IBM DisplayWrite 4.0-5.1) |
| .rgb | Sgi RGB image file (SDSC Image Tool) |
| .rgi | RealArcade Game Installer |
| .rgp | RealArcade Game Package |
| .rgs | RealArcade Game Installer |
| .rgx | Symbol tables etc. info (ReaGeniX code generator) |
| .rh | Resource header file (Borland C++ 4.5) |
| .rhp | Rhapsody Notation Program File Format |
| .ri | Data (Lotus 1-2-3) |
| .rib | Graphics in Renderman format (3DReality) |
| .ric | Fax (Ricoh) |
| .rif | Riff bitmap graphics (Fractal Design Painter) |
| .rip | Graphics (Remote Access) |
| .rix | Bitmap graphics (ColorRIX VGA Paint) |
| .rl4 | Bitmap graphics |
| .rl8 | Bitmap graphics |
| .rla | Wavefront raster image file (SDSC Image Tool) |
| .rlb | Data (Harvard Graphics Win) hgw.rlb |
| .rlc | Graphics 1bit/pixel scanner output |
| .rle | Utah Run Length Encoded raster graphic (SDSC Image Tool) |
| .rlz | Realizer source code file (CA-Realizer) |
| .rm | RealMedia file |
| .rmf | Rich Map Format |
| Rich Music format | |
| .rmi | Midi file (RIFF RMID format) |
| .rmj | Real Jukebox file |
| .rmk | Makefile (Clipper RMake) |
| .rmm | RealPlayer file |
| .rmr | Resume Maker file |
| .rms | Secure Real Media file |
| .rmvb | Video file for Realplayer |
| .rm | RealMedia |
| .rmvb | Real Media video file |
| .rmx | RealJukeBox MP3 file |
| .rn | Xpl program for Nota Bene users |
| .rnd | Rendering Slide (AutoCAD AutoShade) |
| .roi | Actuate ReportBlast file |
| .rno | Runoff file (VAX) |
| .rol | Fm music Adlib Music File (Roland) |
| .rpd | Database (RapidFile) |
| RosaPro file | |
| RPV Printing System file | |
| .rpl | Text document (Replica) |
| .rpm | RedHat Package Manager |
| RealMedia Player file | |
| RunPaint Multicolor Graphic | |
| .rps | Propellerhead Software Reason Song |
| .rpt | Report |
| .rrd | ERDAS Imagine file |
| .rs | Data file (Amiga Resource - Reassembler) |
| .rs_ | Resource fork of a Macintosh file (Mac-ette) |
| .rsb | Red Storm Image Format |
| .rsc | Resource file |
| .rsm | ReliaSoft MPC 3 |
| RuneSword II Game | |
| WinWay Deluxe Resume file | |
| .rsp | Response file |
| .rss | Rockwell Logix PLC file |
| .rst | ANSYS Results |
| ReliaSoft BlockSim | |
| .rsw | ReliaSoft BlockSim |
| .rtc | Live Meeting Connection file |
| .rtf | Rich Text Format text file (many - Windows Word) |
| Windows Help file script | |
| .rtl | Run Time Library (NU 7.0) |
| Text file | |
| .rtp | Turbo Tax Update file |
| RTPatch software update package data file | |
| .rts | Runtime library file (CA-Realizer) |
| .rtx | Reliacast Audience Manager Turnstile |
| Mobile Phone Ringtone | |
| .ru | JavaSoft Library file |
| .rul | InstallShield |
| .run | RunScanner Saved file |
| .rv | RealVideo Video file |
| .rvb | Rhinoscript file |
| .rvp | MS Scan Configuration file |
| .rvw | Review |
| .rwg | Random Word Generator List file |
| .rws | Resource Workshop data file (Borland C++) |
| .rwx | Script (RenderWare) |
| .rwz | MS Outlook Rules Wizard file |
| .rzk | Red Zion File Crypt (password file) |
| .rzr | in-sync Speed Razor Project file |
| .rzx | in-sync Speed Razor Project file |
| Red Zion File Crypt (encrypted file) |






