QAD

Document (PF QuickArt)

QAG

Quick Access Group data file (Norton Desktop)

QAP

Application file (Omnis Quartz)

QBE

Saved query (dBase IV)

QBE

Saved Query (Quattro Pro)

QBO

Compiled query (dBase IV)

QBS

Program file (Microsoft QuickBasic)

QBW

Spreadsheet data (QuickBooks for Windows)

QCP

Voice file (Qualcomm Pure Voice)

QD0

Data file-segment 10 (Omnis Quartz)

QD1

Data file segment 1 (Omnis Quartz)

QD2

Data file segment 2 (Omnis Quartz)

QD3

Data file segment 3 (Omnis Quartz)

QD3D

QuickDraw 3D Metafile (Apple)

QD4

Data file segment 4 (Omnis Quartz)

QD5

Data file segment 5 (Omnis Quartz)

QD6

Data file segment 6 (Omnis Quartz)

QD7

Data file segmnet 7 (Omnis Quartz)

QD8

Data file segment 8 (Omnis Quartz)

QD9

Data file segment 9 (Omnis Quartz)

QDF

Data file (Quicken)

QDK

Backup of startup files (QEMM)

QDT

Data file from the Quicken UK Accountancy/Tax/Invoice program (QuickBooks)

QDV

Graphics file (Steve Blackstock Giffer)

QEF

Query file (Microsoft Excel)

QEL

Electronic library file (Quicken)

QFL

Document (FAMILY LAWYER)

QFX

Fax (QuickLink)

QIC

Backup file (Microsoft)

QIF

Image (MIME)(QuickTime)

QIF

Import file (Quicken)

QLB

Library file (Quick)

QLB

Library file (Microsoft C/C++)

QLC

Data (PostScript help file)

QLP

Printer driver (QuickLink)

QM

Motion file (Quality)

QM4

Option or services file (QMail 4.x Mail Door)

QPR

Generated query program (Microsoft FoxPro)

QPR

Print queue device driver (OS/2)

QPX

Compiled query program (Microsoft FoxPro)

QQT

Qardware definition file (Quick Qard Technology)

QRP

Report builder file (Centura)

QRP

Report file (Liberty for Windows 2.0)

QRS

Equation Editor support file (Microsoft WordPerfect for Windows)

QRT

QRT graphics file (Ray Tracer)

QRY

Query (Microsoft)

QRY

Query (dBase IV)

QSD

Datafile (Quicken)

QST

Tab file (Quake Spy)

QT

Movie file (QuickTime)

QTI

Image file (QuickTime)

QTIF

Image file (QuickTime)

QTM

Movie file (QuickTime)

QTP

Preferences file (QuickTime)

QTS

PICT image file (Macintosh)

QTS

Image file (QuickTime)

QTX

Image file (QuickTime)

QW

Write program file (Symantec Q&A)

QWK

Message file (QWK Reader)

QXD

Data file (Quark Xpress)

QXL

Element library (Quark Xpress)

QXT

Template file (Quark Xpress)


R

Ratfor file (FORTRAN Preprocessor)

R

Resource file (Pegasus Mail)

RA

Sound file (RealAudio)

RAD

Radar data file (Radar ViewPoint)

RAM

Metafile (RealAudio)

RAO

ReadAllOver (YOUniverse)

RAR

RAR compressed archive (Eugene Roshall's format)

RAS

Bitmap (Sun Raster Images)

RAT

Datafile (RATS)

RAW

Raw File Format (bitmap)

RAW

Raw signed PCM data

RAW

Raw signed PCM data

RBF

Datafile (Rbase)

RBH

Maintained by RoboHELP, the RBH file adds to the information contained in the Help project file

RC

Resource script (Micosoft C/C++)

RC

Resource script (Borland C++)

RC

Configuration file (emacs)

RCG

Newsgroup file (Netscape)

RD1

Registered level file (Descent1)

RDF

Resource Description Framework file (related to XML and metadata)

RDF

Compiled UIC source code (Geoworks UI Compiler)

RDF

Research document information format

RDI

Device-independent bitmap file

RDL

Registered Level file (Descent)

RDX

Datafile (Reflex)

REC

Datafile (EpiInfo)

REC

Recorded macro (Microsoft Windows 3.x)

REC

Voice file (RapidComm)

REC

Record file (Sprint)

RED

Path information file (Clarion Modula-2)

REF

Reference file (Generic)

REG

Registration file

REG

Registration file (Corel)

REG

OLE registration file (Microsoft Windows 3.x)

REM

Remarks file (Generic)

REP

Reply file (QWK Reader)

REP

Report file (Visual dBase)

REP

Report file (Report Designer)

REP

Report file (DataBoss)

REP

Report file (CodeReporter)

REQ

Request file (Generic)

RES

Resource file (Microsoft Visual C++)

RES

Compiled resource file (Borland C++)

RES

Resource file (dBase IV)

REV

Revision file (GeoWorks)

REX

Source code file (REXX)

REX

Report definition (Oracle)

REZ

Resource file (Generic)

RF

Raster graphics file (Sun)

RFT

Revisable Form Text (part of IBM's DCA or Document Content Architecture)

RGB, SGI

RGB files (Silicon Graphics)

RGX

Symbol tables (ReaGeniX code generator)

RH

Resource header file (Borland C++ 4.5)

RI

Data file (Lotus 1-2-3)

RIB

Graphics in Renderman format (3DReality)

RIC

Fax document (Ricoh)

RIF

RIFF bitmap graphics (Fractal Design Painter)

RIF

Image file (Metacreations Painter 5)

RIP

Graphics (remote access)

RIX

Bitmap graphics (ColorRIX VGA Paint)

RL1

Regestered level file (Descent1)

RL2

Registered level file (Descent2)

RL4

Bitmap graphics file

RL8

Bitmap graphics file

RLA

Wavefront raster image (SDSC Image Tool)

RLB

Data file (Harvard Graphics Win 9.x)

RLC

Graphics file (1 bit per pixel scanner output file)

RLE

Run-Length Encoded bitmap (SDSC Image Tool)

RLZ

Realizer source code file (CA-Realizer)

RM

Video file (RealAudio)

RMD

Document (Microsoft RegMaid)

RMF

Rich Map Format (used by 3-D game editors to store a map)

RMF

Rich music format (Beatnik)

RMI

MIDI music

RMK

Makefile (Clipper RMake)

RN

Xpl Program file (Nota Bene)

RND

Rendering slide (AutoCAD-AutoShade)

RNO

Runoff file (VAX)

ROL

FM music Adlib Music file (Roland)

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)

ROV

Data file (Rescue Rover)

RPD

Database (RapidFire)

RPL

Text document (Replica)

RPL

Video file (Tomb Raider)

RPM

Package Manager (RedHat Linux)

RPT

Crystal Reports file ( and a sub-set of Microsoft Visual Basic)

RRS

Saved game file (Ace Road Rash)

RS

Datafile (Amiga Resource Reassembler)

RSB

Red Storm bitmap (Rainbow 6 (Game) and several image editing programs)

RSC

Resource file (Generic)

RSL

Paradox 7 reports (Broderland)

RSM

Resume file (WinWay Resume Writer)

RSP

Response file (Generic)

RS_

Resourse fork file (Macintosh Mac-ette)

RTF

Rich Text Format document

RTF

Help file script (Microsoft Windows 9.x)

RTL

Run Time library (NU 7.0)

RTM

Music module (MOD) (Real Tracker)

RTK

Used by RoboHELP to simulate the search feature of Windows help

RTL

Text file (Generic)

RTP

Software update package data file (RTpatch)

RTS

RTSL document (RealAudio)

RTS

Runtime library file (CA-Realizer)

RTS

RoboHELP to speed complex operations

RUL

Extension used in InstallShield

RUN

Compiled output p-code file (Softworks basic compiler) (SoftworksLtd)

RVP

Scan Configuration file (MIME) (Microsoft)

RVW

Review file (Generic)

RWS

Resource Workshop data file (Borland C++)

RWX

Script file (RenderWare)

RXX

RAR compressed files from a multi-volume archive (xx = a number from 01 to 99)

R8

Raw graphics (One byte per pixel) plane one (PicLab)

R8P

Pcl 4 bitmap font (Intellifont)