Ext.
|
Description
|
Used by
|
R
|
Ratfor file
|
|
R
|
Script file
|
R
|
R00, R01, ...
|
Part of a multi-file RAR archive.
|
|
R2D
|
Reflex 2 datafile
|
Reflex 2
|
R3D
|
Red Raw Video (raw video data created with a Red camera)
|
Red Camera
|
R8
|
Raw graphics file (one byte per pixel) plane one
|
PicLab
|
R8P
|
PCL 4 bitmap font file
|
Intellifont
|
RA
|
Remote Access conf. files
|
RA
|
RA0, RA1, ...
|
Part of a multi-file RAR archive.
|
|
RAD
|
2-op FM music
|
Reality AdLib Tracker
|
RAD
|
Radiance
|
|
RAL
|
Remote Access Language file
|
Remote Access
|
RAM
|
Ramfile
|
RealAudio
|
RAR
|
Archive
|
RAR
|
RAS
|
Graphics format
|
SUN Raster
|
RAT
|
Datafile (RATS)
|
|
RAW
|
HSI raw graphic file
|
|
RAW
|
PCM Signed Raw Sound File
|
|
RAW
|
QRT graphic file
|
|
RAY
|
Rayshade
|
|
RB
|
Ruby Script file
|
|
RBF
|
Datafile
|
Rbase
|
RC
|
Configuration file
|
emacs
|
RC
|
Resource Compiler script file
|
Microsoft C/C++, Borland C++
|
RC
|
Resource Script
|
Resource Writer
|
RC
|
UUPC configuration files
|
UUPC
|
RC
|
Windows resource compiler script
|
RC.EXE -Resource WorkShop - OS/2
|
RCG
|
Netscape newsgroup file (netsc.rcg)
|
|
RData
|
Data file
|
R
|
RDF
|
Compiled UIC source code
|
Geoworks UI Compiler
|
RDI
|
Device-independent bitmap file (RIFF RDIB format)
|
|
RDP
|
RDP connection
|
Remote Desktop connection
|
RDX
|
Datafile
|
Reflex
|
REC
|
Archivation protocol
|
ARCSERVE
|
REC
|
Datafile
|
EpiInfo
|
REC
|
Record file
|
Sprint
|
REC
|
Windows Recorder Macro File
|
WinRecorder
|
RED
|
Path info
|
Clarion Modula-2
|
RED
|
REDuced nodelist file
|
T-Mail nodelist Compiler
|
REF
|
Cross-reference
|
|
REG
|
OLE Registration file
|
Windows 3.x
|
REG
|
Registration information or key
|
|
REL
|
Foreground job relocatable file
|
RT-11
|
REM
|
Remarks definition
|
Sourcer
|
REM
|
Remarks
|
|
REP
|
QWK reader reply file
|
|
REP
|
Report file used by many applications
|
|
REP
|
Report
|
Report Designer - CodeReporter - DataBoss
|
REQ
|
File request
|
FTN Software
|
RES
|
Compiled resource
|
Microsoft C/C++, Borland C++
|
RES
|
DBASE resources
|
dBASE IV
|
RES
|
Windows compiled resource package
|
Win
|
REV
|
Revision file
|
Geoworks
|
REX
|
PharLab executable file (old format)
|
PharLab
|
REX
|
Report definition
|
Oracle
|
REX
|
Rexx language source file
|
Rexx
|
REZ
|
Resource file
|
|
RF
|
Sun raster graphics file
|
|
RFT
|
DCA/RFT Revisable Format Text file
|
IBM DisplayWrite 4.0-5.1
|
RGB
|
SGI RGB image file (RAW)
|
SDSC Image Tool
|
RGX
|
Symbol tables etc. info
|
ReaGeniX code generator
|
RH
|
Resource header file
|
Borland C++ 4.5
|
RH
|
Windows resource file header
|
RC.EXE
|
RHistory
|
Command history logfile
|
R
|
RI
|
Data
|
Lotus 1-2-3
|
RIB
|
Graphics (Renderman Interface Bytestream)
|
3D Reality
|
RIC
|
Fax
|
Ricoh
|
RIF
|
RIFF bitmap graphics (Resource Interchange File Format)
|
Fractal Design Painter
|
RIP
|
TeleGrafix Remote Imaging Protocol
|
Maximus 3.0
|
RIX
|
Graphics (ColoRIX Image File)
|
ColoRIX
|
RL4
|
Bitmap graphics
|
|
RL8
|
Bitmap graphics
|
|
RLA
|
Wavefront raster image file
|
SDSC Image Tool
|
RLB
|
Data hgw.rlb
|
Harvard Graphics Win
|
RLC
|
Graphics 1bit/pixel scanner output
|
|
RLD
|
Norton Commander 5.0 temp file
|
NC 5.0
|
RLD
|
OSIMapDef. RecLoad Definition
|
|
RLE
|
Utah Run Length Encoded rasterfile graphic file
|
SDSC Image Tool
|
RLZ
|
REALIZER source code file
|
CA-Realizer
|
RM
|
Real Media
|
Real Player
|
RMB
|
data
|
RegistryMaster
|
RMI
|
Windows alternate synthesized sound format
|
RIFF RMID format
|
RMK
|
Make file
|
CA Clipper - RMAKE
|
RMVB
|
Real Media Variable Bitrate
|
Real player
|
RN
|
XPL program for Nota Bene users
|
|
RNA
|
lime Network Real Native Application File
|
All lime Network Applications
|
RND
|
Rendering Slide
|
AutoCAD AutoShade
|
Rnn
|
Multi volume RAR archive
|
RAR
|
RNO
|
Runoff file
|
VAX
|
ROL
|
FM music Adlib Music File
|
Roland
|
ROM
|
Read Only Memory image in emulators, AONs, etc.
|
|
ROO
|
CODASYL DBMS Database Root
|
Oracle
|
RPB
|
Data report file used by CP Backup
|
CP Backup
|
RPD
|
Database
|
RapidFile
|
RPF
|
AutoCAD pattern
|
ACAD
|
RPL
|
Text document
|
Replica
|
RPM
|
Red Hat Package Manager (Command line driven package management system capable of installing, uninstalling, verifying, querying, and updating computer software packages in Red Hat Linux)
|
Red Hat Linux
|
RPT
|
Report file used by many applications
|
|
RRD
|
Reduced Resolution Dataset
|
ESRI (GIS)
|
RS
|
Data file
|
Amiga Resource - Reassembler
|
RS_
|
Resource fork of a Macintosh file
|
Mac-ette
|
RSC
|
Resource file
|
ViewMax - many
|
RSL
|
Application - Project
|
resolver one
|
RSL
|
Resource Library used by PC Tools for Windows
|
PC Tools - Win
|
RSP
|
Response file (text file containing input expected by e.g. LINK)
|
|
RSP
|
Response File
|
OS/2
|
RSY
|
FLEXIT Multishot Survey Raw Data file
|
FLEXIT
|
RTF
|
Rich Text Format text file (help file script)
|
many - Microsoft Word
|
RTFD
|
RTF-Packet
|
NeXT
|
RTL
|
HP RTL graphic file
|
|
RTL
|
Run-Time library
|
Norton Utilities
|
RTL
|
Text file
|
|
RTP
|
RTPatch software update package data file
|
Pocket soft patch
|
RTS
|
Realizer executable file
|
|
RTS
|
Runtime library file
|
CA-Realizer
|
RUL
|
Echo-conference rules
|
|
RUN
|
PC Tools for Windows batch file
|
PC Tools
|
RUNZ
|
pseudo-executable file, used in Portable Apps and software installers for Super OS
|
RUNZ Framework
|
RUS
|
Russian text
|
|
RV
|
Mobile pricelist data file
|
Mobile
|
RVF
|
|
TRichView
|
RVW
|
Review
|
|
RWS
|
Borland Resource Workshop symbol file
|
Resource Workshop
|
RWS
|
Resource Workshop data file
|
Borland C++
|
RWX
|
Criterion RenderWare
|
|
RWX
|
MEME Shape File
|
|
RWX
|
Script
|
RenderWare
|
RWZ
|
Microsoft Outlook Rules Wizard File
|
Microsoft Outlook
|
RXD
|
Reflex 1 datafile
|
Reflex 1
|
RZK
|
File Crypt password file
|
All text editors
|
RZX
|
File Crypt encrypted file
|
File Crypt (Akte Krypta, Kriptirnik)
|
