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File Extensions beginning with the letter 'R'


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Extension click to sort by Extension Description currently sorted on Description Format MIME Type
RPI
rec
RWX Criterion RenderWare
RAD Radience
RAY Rayshade
RPT (1) Crystal Reports
RF (1) FrameMaker Document
RWX (1) Netscape Live 3D; see FLR
RAW (1) RealAudio sound; see RA
R (1) Resource Compiler; Macintosh Resource (like RC)
RTS (1) RTSL Progressive Networks Real Media (MIME: application/x-rtsl)
RPT (2) Database Report; DataFlex
R (2) Fortran preprocessor Source code; RatFor
RF (2) RealPlayer Real-flash
RWX (2) RenderWare
RTS (2) RoboHelp
RF (3) Bitmap Picture; Sun
R (3) Sourcer Disassembler; see WDF
REG Application registration file
RAR Archive; open with WinRAR
RND AutoCAD; AutoShade Rendering
rnd AutoShade rendering file
RL8 Bitmap Picture
RL4 Bitmap Picture
RIA Bitmap Picture; Alpharel Group IV
RLC Bitmap Picture; Image Systems (also IGF, PIX)
R8 Bitmap Picture; PicLab
RDI Bitmap Picture; see DIB, RIF
RSL Borderland's Paradox 7 reports
r2d Borland Reflex
RLC CAD Overlay files
ROM Cartridge-based home video game emulator file (exact copy of ROM contents in cartridges from Atari 2600, Colecovision, Sega, Nintendo, etc.; not interchangeable between emulators)
RED Clarion Modula-2
RIX ColoRIX File. Raster image. Details
RES Compiled Resource (a program, more or less)
RLZ Computer Associates Realizer Source code
RP1 Database Text; R&R report file
RPD Database; Ashton Tate RapidFile
RDX Database; Borland Reflex
RXD Database; Borland Reflex
RB4 Database; R:Base
RB3 Database; R:Base
RB1 Database; R:Base
RB2 Database; R:Base
RFT DCA -Revisable-Form Text Document Content Architecture
RDL Descent Registered Level
RL2 Descent2 Registered Level
RPL Document; Apple Macintosh Replica
RFT Document; Revisable Format Text; IBM DisplayWrite RFT-DCA
RTX Document; Rich Text; see RTF
RUL Expert System Rule
RUL Extension used in InstallShield
RIC Fax Document; Ricoh
R8L Font; Hewlett-Packard Laser Printer Landscape Font
R8P Font; Hewlett-Packard Laser Printer Portrait Font
REV FrameMaker Document; see MIF
RLB Harvard Graphics
RFT IBM DCA/RFT files
rft IBM revisable form text
RWS Inprise (Borland) C++ Resource Workshop project
RAT Internet; Text-formatted "Recreational Software Advisory Council" Rating for the Internet (WINDOWSSYSTEMRSACI.RAT defines and puts values on morality!)
RSP Linker response file (generic)
RBH Maintained by RoboHELP, the RBH file adds to the information contained in the Help project file
rbf MicroRim R:Base database
RTP Microsoft patch file (usually Microsoft VC++), used with RTPATCH.EXE
RMD Microsoft RegMaid document
RVP Microsoft Scan Configuration file (MIME)
RPT Microsoft Visual Basic Crystal Reports file
RES Microsoft Visual C++ Resource
REC Microsoft Windows Recorder macro
RH Microsoft Windows Resource Compiler Header; see RC
RC2 Microsoft Windows Resource Compiler; Resource script
RCV Microsoft Windows Resource Compiler; Resource script
RC Microsoft Windows Resource Compiler; Resource script; see RH
RCT Microsoft Windows Resource Template; Resource Template
RMI MIDI file
RMI MIDI music
RMI MIDI sequence
RMI MIDI Sequence (sound) (MIME: audio/mid)
RV Movie Clip; Real Player Video; see RP, RT
res MSWindows compiled resource file
reg MSWindows registry text import/export
rc MSWindows resource source code
RDOFF Object; Relocatable object file; OBJ
REX OS/2 Rexx Source Code
RDL Paradox
RSL Paradox (used with FSL)
R Pegasus Mail resource file
RP Picture; Real Player Pix; see RT, RV
RIP Picture; Remote Imaging Protocol
RBF R:Base SystemV/5000
REC RapidComm voice file
RAR RAR compressed archive (Eugene Roshall's format)
RXX RAR compressed files from a multi-volume archive (xx = a number from 01 to 99)
RAS Raster. Raster image in Sun workstation native format. Details [] image/x-cmu-raster
RAST Raster. Raster image in Sun workstation native format. Details
RAW Raw File Format (bitmap)
RAF RAW Fuji. Raster image from a Fuji digital camera [RAW]
RAW Raw signed PCM data
rd3, rd4, rd5 Ray Dream Designer graphics
rss RDF schema ??? (Netscape channel) [rss] application/rss+xml
RA Real Audio (From Internet)
RAM Real Audio (From Internet).
RA Real Audio sound
RM Real Audio video file
RNX Real Player RT, RP, RV
RT Real Player Text; see RNX, RP, RV
RTM Real Tracker music module (MOD) file
ra RealAudio file
RAM RealAudio metafile
RPM RealAudio plug-in; see RA, RAM, RM (MIME: audio/x-pn-realaudio-plugin)
RAM RealAudio Sound (MIME: audio/x-pn-realaudio)
RTS RealAudio's RTSL document
RA RealAudio, Internet sound; see RAW, RM, RPM (MIME: audio/x-pn-realaudio)
REC Recorder macro
RGBA Red-green-blue Alpha. SGI color raster image with alpha-channel information. Details
RGB Red-Green-Blue. Raster image from Silicon Graphics. Details [RGB]
rpm RedHat Package Manager
RPM RedHat Package Manager package (for Linux)
REF Reference; (generic name)
R2D Reflex files
REG Registration Entries
REG Registration file
REG Registration files to the registry
REN RenderMan
RIB Renderman Interface Bytestream. Details
rpt report
REP Report; Code-Reporter, Data-Boss
ROV Rescue Rover data file
rdf resource definition framework file [RDF] application/rdf+xml
RC Resource File
RIFF Resource Interchange File Format. Details
RFT Revisable Form Text (part of IBM's DCA or Document Content Architecture)
RMF Rich Map Format (used by 3-D game editors to store a map)
rtf Rich Text Format document. Word-processing document format supported by Microsoft as a more portable/usable version of the Word DOC format. Details [] application/rtf
RVML Rich Vector Markup Language. XML dialect for animation and vector graphics from Kinesis.
RNG Ringtone
RTA RoboHelp
RTK RoboHelp help project keywords
RBH RoboHelp project configuration; see RTA, RTK
RTS RoboHELP to speed complex operations
RLE Run Length Encoded. Microsoft-proprietary raster image file. Identical to BMP
RLA Run-Length Encoded Version A. Raster image in WaveFront format. Details
RRS save file for the ace game Road Rash
RGS Script for Windows Registry
RMM See RM
RTP Software patch database for RTPatch
RM Sound or multimedia, RealAudio / RealMedia Internet media; see RA, RAW (MIME: audio/x-pn-realaudio)
ROL Sound; AdLib; Roland
RTM Sound; Real Tracker Module
RAD Sound; Reality AdLib Tracker
REQ Text; Fido Request
RPG The RPG programming language
ROY TrueType
RTK Used by RoboHELP to simulate the search feature of Windows help
REP Visual dBASE report file
REC Windows Recorder file
reg Windows Registration File ( OLE )
RSM WinWay Resume Writer resume file


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