Jetfax Inc by npu97223

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									                                     F I L E E XT E NT IO NS

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Numbers and symbols

000-999 | Used to number old (backup) versions of files (for
000-999 | example, CONFIG.SYS when changed by an installation
000-999 | program); also used to number related data files for
000-999 | multiple users of a small-scale PC application

10o    Embroidery machines graphics file - Toyota (binary)
12M     Lotus 123 97 Smartmaster file
123    Lotus 123 97 file
2GR     VGA Graphics driver/configuration files under Windows (binary)
3GR     VGA Graphics driver/configuration files under Windows (binary)
3DM     3D NURBS modeler, Rhino ?????
3DS     A file in 3D Studio (for DOS) format
386    A file for use in an 80386 or higher microprocessor
4GE     Informix 4GL compiled code
4GL     Informix 4GL source code
669    Composer 669, Unis Composer music mod file
669    669 tracker module ?????
#01 and | method of numbering picture files for a roll of film
higher | that has been scanned for computer presentation
$$$    Used by OS/2 to keep track of archived files

@@@        | Screen files used in the installation and instruction
@@@        | on use of such applications as M$ Codeview for C

                      A (08/23/00)

A86     A86 assembly source shareware compiler
A     |ADA source code
A     |Object code library
A     |Assembly programming source code
AAM    Authorware shocked file
AAS   Authorware shocked packet
ABC   Micrografx ABC Flowcharter
ABF   Adobe Binary Screen Font
ABK   CorelDRAW automatic backup
ABM    PhotoPlus album

ABS   Abscissa data
ACB   ACMB graphic
ACE   | Compression file format associated with a
ACE   | program called The Ace Archiver (binary)
ACL   |Corel Draw 6 keyboard accelerator
ACL   |Axialis Cursor Library
ACM    |Used by Windows in the system directory
ACP   M$ Office Assistant Preview file
ACR   |ACR-NEMA medical image file
ACR   |American College of Radiology file format

ACT   |M$ Office Assistant Actor source code file
ACT   |Parson's Announcements file (binary)
ACV   OS/2 drivers that compress and decompress audio data
AD    After Dark screen saver data
ADA   Ada source text (non-GNAT) (ASCII)
ADB   Ada source text body (GNAT) (ASCII)
ADB   Appointment database used by HP 100LX organizer
ADD   OS/2 adapter drivers used in the boot process
ADF   Amiga Disk File
ADF   ARC data file
ADI   AutoCAD Device-Independent binary plotter image format

ADL   QEMM MCA adapter description library
ADM    After Dark MultiModule screensaver
ADN   Lotus 1-2-3 add-in
ADP   |Astound Dynamite file
ADP   |Used by FaxWorks to do setup for fax modem interaction
ADR      After Dark Randomizer screensaver
ADS     Ada source text specification (GNAT) (ASCII)
ADT     AdTech Fax document
ADX     Archetype Designer document
AFM     |used for storing readable fonts

AFT     Micrografx ABC Flowcharter template
AFW      Micrografx ABC Flowcharter working file
AF2     Micrografx ABC Flowcharter 2
AF3     Micrografx ABC Flowcharter 3
AFM      Adobe Font Metrics Format (Ray Trace)
AGA      Agenda File
AGF     Atlas geodata (GIS) file
AI     Adobe Illustrator drawing
AI     Encapuslated PostScript image file (binary)
AIF    | Audio Interchange File, a sound format used by
AIF    | Silicon Graphics and Macintosh applications (binary)
AIFC    Similar to AIF (compressed) (binary)

AIFF    | Audio Interchange File, a sound format used by
AIFF    | Silicon Graphics and Macintosh applications (binary)
AIFF    | Similar to AIF           (binary)
AIM     AOL Instant Messenger Launch
AIS    |ACDSee Image Sequence file
AIS    |Velvet Studio Instruments
AIS    |Xerox Array of Intensity Samples graphic
AKW      | Contains all A-keywords in the RoboHELP Help
AKW      | project Index Designer not associated with topics
AL     A-law sound file
ALAW      European telephony format audio

ALB     JASC Image Commander album
ALD     Aldus Pagemaker file
ALL     Arts & Letters Library
AMF      Advanced Module Format sound file
AMS      |Velvert Studio music module (MOD) file
AMS    |Extreme's Tracker module format
ANC    | Canon Computer Pattern Maker file that is
ANC    | a selectable list of pattern colors
ANI   Animated Cursor
ANM    |DeluxePaint animation
ANM    |Lucas Arts animation

ANN    Windows Help annotation
ANS   |ANSI character animation
ANS   |ANSI text (ASCII)
ANT   saved game file in the original SimAnt for Windows
APD   Aldus printer file
API   Application Program Interface file; used by Adobe Acrobat
APP   |Gem application
APP   |Symphony add in application
APP   |dBase Application Generator object file
APP   |DR-DOS executable application
APP   |Atari executable application
APP   |FoxPro generated application

APR   |Lotus Approach 97 file
APR   |ArcView project file
APS   M$ Visual C++ file
APX   Borland C++ 4.5 Appexpert database
ARC    Lempel-Ziv-Huffman (old version) compressed archive (binary)
ARI   Aristotle audio file
ARJ   Robert Jung ARJ compressed archive (binary)
ARS   WordPerfect audio resource file

ART   | Used by AOL to designate files compressed using
ART   | the Johson-Grace compression algorithm (binary)
ART   |Another Ray Tracer format
ART   |Ashton-Tate Byline graphic
ART   |Canon Crayola art file (binary)
ART   |Clip Art file format
ART   |Crayola Art graphic
ART   |PFS First Publisher graphic
ART   |VORT (Unix) ART ray tracer graphic
ART   |Xara Studio drawing

ASA   M$ Visual InterDev file
ASC   |American Standard Code for Information (ASCII)
ASC   | Exchange file. An unformatted text file. Also
ASC   | known as plain text, vanilla text, or flat text
ASC   |PGP armored encrypted file
ASD    |Astound presentation
ASD   |WinWord AutoSave
ASE   Velvet Studio sample
ASF   |M$ Advanced Streaming Format file
ASF   |Active Streaming Format
ASH   TASM 3.0 assembly language header file

ASI   |Turbo C assembler include file
ASI   |Borland C++ assembler include file
ASM    Assembler language source file (uncompiled)
ASO    |Astound Dynamite Objects
ASO    |TASM object file
ASP   |Association of Shareware Professionals Ombudsman notice
ASP   |HTML Script
ASP   |Active Server Page (an HTML file containing a M$
ASP   | server-processed script) (ASCII)
ASP   |Procomm Plus setup and connection script (ASCII)
ASP   |Astound Presentation file
ASX   Active Streaming Format

AST   |Astound multimedia file
AST   |Claris Works "assistant" file
ASV   DataCAD Autosave file
ASX   |Cheyenne Backup script (ASCII)
ASX   |M$ Advanced Streaming Redirector file
ASX   |Video file
ATT   AT&T Group 4 bitmap (binary)
AU    |æ-law (mu-law) audio file Originally a UNIX format
AU    |Sun/NeXT/DEC/(UNIX) sound file
AUX    Generic auxiliary file; reserved word in DOS

AVB    Inculan Anti-Virus virus infected file
AVD    Avery LabelPro ListManager Data file
AVI   M$ Audio Video Interleaved file format for Windows movie
AVR    Audio Visual Research file format
AVS    | Digital Video Interactive (.dvi) file
AVX    ArcView Extension file
AW     HP AdvanceWrite text
AWD     Fax Viewer document
AWK     |(FROM AUTOSPELL no identification)
AWK     |UNIX parsing program

AWR     Telsis file extension format for digitally stored audio.
AWM     Animation Works movie
AXD    Avery LabelPro ListManager Data file
AXX    | ARJ compressed files from a multi-volume archive
AXX    | (XX = a number from 01 to 99) (binary)
A3M    unpackaged Authorware MacIntosh file
A4M    unpackaged Authorware MacIntosh file
A4P    Authorware file packaged without runtime
A3W     unpackaged Authorware windows file
A4W     unpackaged Authorware windows file
A5W     unpackaged Authorware windows file

                     B (08/24/00)

B     BASIC source code. Beginners All-purpose Symbolic Instruction Code.
B4    Helix Nuts and Bolts file
B64    Mime Base 64 coded file (compressed) (binary)
BAK    |Backup file. This extension is given to files when they
BAK    | are replaced with another file with the same name.
BAS    |Executable text file in BASIC (Beginners All-purpose Symbolic
BAS    | Instruction Code) for the Basic language interpreter.
BAR      |Unix BAR archive file
BAR      |dBase horizontal bar menu object
BAT     Executable Batch file (ASCII). Text file of commands to DOS.

BB     Papyrus database backup
BBL     TeX or BibTeX bibliography
BBM      Deluxe Paint brush file
BBS     Bulletin board system text file
BCH      dBase Batch process object
BCP      Borland C++ makefile
BBX     Boom Box for Windows
BCK      VMS/VAX backup
BCM      M$ Works 4.0 Communication
BCW      Borland C++ workspace settings

BDB      M$ Works 4.0 database
BDF     |Adobe Glyph Bitmap Distribution Format file
BDF     |West Point Bridge Designer program
BDR      MS Publisher border
BFC     Windows 95 Briefcase document
BFX     BitFax Pro ViewFax
BG      Backgammon for Windows game
BGA      OS/2 bitmapped graphic
BGI     Borland Graphics Interface, A graphics program file
BGL     | from M$ concerning scenery files from the
BGL     | well known Flight Simulator
BHX      Compressed file (binary)

BI     Binary file (binary)
BIB    |BibTeX bibliography source
BIB    |ASCII bibliography
BID     Parson's Announcements file (binary)
BIF    |Binary Image Format (Graphics)
BIF    |WordPerfect initialization file
BIF    |GroupWise initialization file
BIFF    XLITE 3D file format
BIG     Text file created from other text files (ASCII) (tgs)
BIL    File Band Interleaved by Line (Graphic)

BIN    Binary file (binary)
BIN    Macbinary II encoded file
BIP    File Band Interleaved by Pixel (graphic)
BIT    |Bitmap graphic
BIT    |ASCII text file, fragment of larger file(s)
BK     JetFax Faxbook; sometimes backup version
BK!    WordPerfect backup
BK$    Sometimes used to denote backup versions
BKP     Backup file (various)
BKS     |An IBM BookManager Read bookshelf
BKS     |M$ Works 4.0 Sheet or Chart

BKX     Backup file where X = 1 to 9
BLG     BibTeX log
BM1     Apogee BioMenace data file (binary)
BMF     Corel! image similar to bmp
BMK     |A bookmark file (ASCII)
BMK     |CNM Bookmark Collection (content type MIME)
BMK     |Windows Help bookmark
BMP     Windows - OS/2 bitmap graphics file (binary)
BNK     |Adlib instrument bank
BNK     |step-processed ASCII file

BOO     Kermit bootstrap protocol binary file
BOOK     Adobe FrameMaker Book
BOX     A mailbox in Notes
BPL    Borland Delphi 4 packed library (binary)
BQS     UNKNOWN (help appreciated)
BQY     BrioQuery file
BPS     M$ Works 4.0 Document
BRX     A file for browsing an index of multimedia options
BS1    Apogee Blake Stone data file
BS_    M$ Bookshelf Find Menu shell extension
BSA     BSARC file archive
BSC    MS Developer Studio (MSDev) browser information file
BSP    Quake map
BSQ    Band Sequential Graphic file
BST    BibTeX bibliography style
BTM    Batch file used by Norton Utilities
BTN    Parson's Announcements file (binary)
BUD    Backup disk for Quicken
BUN    CakeWalk Audio Bundle file (a MIDI program)
BUS    Business Card Image file (Parson's Announcements)
B_W    Atari black and white graphic
BW     Silicon Graphics Inc Black and White image file
BYU    A file in a Movie BYU format

C     C code (source file)
C01    Typhoon wave files ?????
CAB    | M$ cabinet file (program files compressed
CAB    | for software distribution) (binary)
CAD    used by the drafting program "Drafix Cad">by Softdesk
CAL    |CALS Compressed Bitmap (binary)
CAL    |Calendar schedule data
CAM     Casio camera format
CAP    Compressed music file format (binary)
CAR    Announcements document file (card) ?????
CAS    Comma-delimited ASCII file
CAT    IntelliCharge categorization file used by Quicken
CB    M$ clean boot file
CBI   Column binary formatted file (used in IBM mainframe systems)

CCA    cc:mail ?????
CCB    Visual Basic Animated Button configuration
CCF    Multimedia Viewer configuration file used in OS/2
CCH    Corel Chart
CCM     Lotus CC:Mail "box" (for example, INBOX.CCM)
CCO     CyberChat data file
CCT     Macromedia Director Shockwave cast
CDA     CDDA Audio Track File
CDB     CardBase Document
CDF     |M$ Channel Definition Format file (ASCII)
CDF     |Document (Content type MIME)
CDI     Phillips Compact Disk Interactive format
CDP     ColorDesk image
CDR      CorelDraw drawing (graphics) (binary)
CDR      Raw Audio-CD data
CDT     Corel Draw template

CDX     |Corel Draw compressed drawing (binary)
CDX     |M$'s Visual Foxpro Index
CDX     |CardBase import/export file
CEL     CIMFast Event Language file
CER     Certificate file (MIME x-x509-ca-cert)
CER     Certificate Image file (Parson's Announcements)
CFB     Compton's Multimedia file
CFG     Configuration file
CFM      Cold Fusion template files
CGI     Common Gateway Interface script file (ASCII)
CGM      Computer Graphics Metafile (binary)
CH      OS/2 configuration file
CHK     File fragments saved by Windows Disk Defragmenter or ScanDisk
CHM      Compiled HTML file
CHR      Character Sets (Font files)

CHP     Ventura Publisher chapter
CHT     |ChartViewer file
CHT     |Harvard Graphics vector file (binary)
CIL   Clip Gallery download package
CIM     Sim City 200 file
CIN     OS/2 change control file that tracks changes to an INI file
CK#     iD/Apogee Commander Keen # (where # is a number) data file

CLASS     Java class
CLL     Crick Software Clicker File
CLP   Windows Clipboard file (binary or ASCII)
CLS   Visual Basic Class Module
CMD    |Command file for Windows NT (similar to a DOS .BAT file), OS/2
CMD    |DOS CP/M command file
CMD    |dBase-II program file
CMF    Corel Metafile
CMP    |JPEG Bitmap (binary)
CMP    |Address document
CMV    Corel Move animation
CMX    Corel Presentation Exchange image
CNF   | Configuration file used by Telnet, Windows,
CNF   | and other applications with varying internal formats
CNM    Windows application menu options and setup file
CNQ    Compuworks Design Shop file

CNT   | Windows (or other) system content files for the
CNT   | help index and other purposes
COB    trueSpace2 object
COD    | M$ C compiler output as displayable machine
COD    | language/assembler with original C as comments
COM    Command file (binary) (Executable)
CPD   |Corel PrintOffice file (drawing)
CPD   |Fax Cover document
CPE   Fax Cover document
CPI   M$ MS-DOS code page information file
CPL   |Control Panel extension
CPL   |Corel color palette
CPO    Corel Print House file

CPP   C++ code
CPR   Corel Presents Presentation
CPT   Corel Photo-Paint image
CPT   EconoWatch Document
CPX   Corel Presentation Exchange Compressed drawing (binary)
CR1   EconoWatch Document
CRD    Cardfile file
CRP   Corel Presents Run-Time Presentation
CRT    Internet Security Certificate
CSC    Corel Script (ASCII)
CSP    PC Emcee On-Screen image
CSS    Cascading Style Sheet file (ASCII)
CST   |Macromedia Director "Cast" (resource) file
CST   |Cost module
CSV    Comma-separated values file, DOS or Win
CT    |SciTex Continuous Tone bitmap (binary)

CT    |A graphic file associated with the Paint Shop Pro Graphic
CT    | Editor Used in general to mean a file containing
CT    | control information.
CTL   |FAXWorks uses it to keep information about each
CTL   | fax sent and received.
CTL   |Control data file (tgs)
CTR    Comm Term Document (Content type MIME)
CUE    M$ Cue Cards data
CUR    Windows Cursor
CUT    Dr Halo bitmap (graphics) (binary)
CV    Corel Versions archive (binary)
CV    M$ CodeView information screen
CWK    Claris Works data file
CWL    Claris Works file
CWS    Claris Works template
CXT   | Macromedia Director protected (not editable)
CXT   | "Cast" (resource) file
CXX    C++ source code file


DAT   |Data file, "catchall" file, (ASCII/Binary)
DAT   |WordPerfect Merge Data
DAT   |Extension used for some MPEG formats
DB    |Borderland's Paradox 7 tables
DB    |Paradox List
DBC    M$'s Visual Foxpro Database container
DBF    Aston-Tate dBase database
DBX     |DataBeam image
DBX     |M$'s Visual Foxpro Table
DCM     DCM model format
DCR     |Shockwave file
DCR     |Macromedia Director Protected Movie (non-editable)
DCS     Desktop Color Separation file
DCT     M$'s Visual Foxpro Database container
DCU     Delphi compiled unit file
DCX     |M$'s Visual Foxpro Database container
DCX     |Fax image (based on PCX) (binary)
DCX     |Macros (X equal number) ?????
DCX     |Intel SatisFAXtion file
DC5    DataCAD Drawing files
DDF     BTRIEVE database ?????

DDIF    | Digital Equipment or Compaq format. Used for storing
DDIF    | images and their word processing documents
DEF    |SmartWare II data file
DEF    |C++ Definition
DEFI   Oracle 7 de-install script (ASCII)
DEM     USGS standards for Digital Elevation Models
DEL    Has to do with graphics files, eg, BMP files
DER     Internet Security Certificate
DEWF     Macintosh SoundCap/SoundEdit recorded instrument format
DGN     Microstation95 CAD drawing file
DIB    Windows - OS/2 Device-Independent Bitmap (graphics) (binary)
DIC    Dictionary (binary or ASCII)
DIF    Data Interchange Format spreadsheet
DIG    |Digilink format
DIG    |Sound Designer I audio file

DIR    |Macromedia Director movie
DIR    |Directory text file (tgs) (ASCII)
DIZ    Description file (text file, shareware) (ASCII)
DLG     C++ Dialogue Script (ASCII)
DLS    DownLoadable Sound
DLL    Dynamic-Link Library (binary)
DMF     X-Trakker music module (MOD) file
DOC     |FrameMaker or FrameBuilder document
DOC     |WordStar document
DOC     |WordPerfect document
DOC     |M$ Word document
DOC     |DisplayWrite document
DOT     M$ Word document Template

DPL    Borland Delphi 3 packed library
DPR     Borland Delphi project header file
DRAW     Acorn's object-based vector image file
DRV     Driver file (binary)
DRW     Micrografx Designer/Draw (binary)
DSF    Micrografx Designer v7.x
DSG     DooM saved game
DSM     Dynamic Studio music module file
DSP    M$ Developer Studio project
DSQ     Corel QUERY file
DST    Embroidery machines graphics file - Tajima (binary)
HUS     Embroidery machines graphics file - Viking (binary)
DSW     M$ Developer Studio workspace
DTD    SGML Document Type Definition (DTD) file

DTED    Digital terrain elevation data (geographic data format)
DTM     DigiTrakker module
DTF    Symantec Q&A relational database data file
DUN     M$ Dial-up Networking Export file
DV     Digital video file (MIME)
DVI    Digital Video Interactive file
DWD     DiamondWare digitized file
DWG     |Autocad Drawing files
DWG     |AutoCAD drawing, or older Generic CADD drawing format

DXF    | Autodesk Drawing Interchange (eXchange) format,
DXF    | a text representation of the binary DWG format (ASCII)
DXF    |Data Exchange File
DXR     Macromedia Director protected (not editable) movie file


E      Eiffel source code
EDA     Ensoniq ASR disk image
EDE     Ensoniq EPS disk image
EDD      Element Definition Document (FrameMaker+SGML documents)
EDK     Ensoniq KT disk image
EDQ      Ensoniq SQ1/SQ2/KS32 disk image
EDS     Ensoniq SQ80 disk image
EDV     Ensoniq VFX-SD disk image
EFA     Ensoniq ASR file
EFE     Ensoniq EPS file
EFK     Ensoniq KT file

EFQ     Ensoniq SQ1/SQ2/KS32 file
EFS     Ensoniq SQ80 file
EFV     Ensoniq VFX-SD file
ELA     Embroidery machines graphics file - Old (binary)
ELI    Encarta Encyclopedia Article List
EMD      ABT Extended MoDule
EMF      Enhanced Windows Metafile image file (binary)
EML     M$ Outlook Express mail message (MIME RFC 822)
ENC      Encore file
ENFF     Neutral File Format extension
EPHTML Enhanced Perl-parsed HTML
EPS     |Encapsulated PostScript image
EPS     |TIFF preview file
ER1     ERWin file
ERM      CNM EditingRoom Script

ERR     | Stores the error messages that result when the
ERR     | RoboHELP Help Compiler attempts to compile the
ERR     | source files of a Help system
ERX     ERWin file ?????
ESPF     Encapsulated PostScript Files
ESPS     ESPS audio files (binary)
EUI    Ensoniq ESP family compacted disk image
EVY     Envoy document
EWL     M$ Encarta document
EXC     M$ Word Exclusion Dictionary
EXD     ????? (binary)
EXE     Executable file (program) (binary)
EXP     Embroidery machines graphics file - Melco Expanded (binary)
EYB     Encarta Encyclopedia Yearbook File


F      FORTRAN file
F2R     Farandoyle linear module format
F3R     Farandoyle blocked linear module format
F77     FORTRAN 77 file
F90     FORTRAN 90 file
FAR     Farandole Composer music module file
FAV     M$ Outlook navigation bar
FAX     FAX Type image
FBK     Navison Financials Backup
FCD     Virtual CDROM
FDB     Navison Financials Database
FDF     Adobe Acrobat Forms Document file
FEM     CADRE Finite Element Mesh file

FFA     MS fast find file
FFF     GUS PnP bank file format
FFL     MS fast find file
FFO     MS fast find file
FFT     Final Form Text (part of IBM's DCA) (ASCII)
FFX     MS fast find file
FH3     Aldus Freehand 3 drawing
FIF    Fractal image file
FIG    A file format used by REND386/AVRIL
FIL    ASCII text file (tgs) (ASCII)
FITS    |CCD camera image
FITS    |Flexible Image Transport System
FLA    Macromidia Flash movie
FLC     AutoDesk FLIC animation
FLF    |Corel Paradox Delived form ?????
FLF    |Navison Financials License file
FLI    AutoDesk FLIC animation
FLT    Corel filter
FLT    Parson's Announcements file (binary)

FLF    An OS/2 driver file
FLT    |StarTrekker music module (MOD) file
FLT    |A file format use in MulitGen Inc.'s Open Flight
FM     Adobe FrameMaker Document
FMB     Oracle binary source code for form, version 4.0 and later
FML     File Mirror List (GetRight)
FMS     FractMus document (Fractal Music)
FMT     |Oracle text format of form, version 4.0 and later
FMT     |M$ Schedule+ print file
FMX     Oracle executable form, version 4.0 and later
FND     M$ Explorer Saved Search file (Find applet)
FNG     Font group file (Font Navigator)
FNK     FunkTracker module format
FNT     Bitmap font file (binary)
FOG     Fontographer font
FON     System font (Bitmap font file) (binary)
FOR     FORTRAN file
FOT     Font-related file
FP     FileMaker Pro file
FP1    Flying Pigs for Windows data file
FP3    FileMaker Pro file

FPT     FileMaker Pro file
FPT     M$ FoxPro memo fields
FPX     |FlashPix Image File bitmap (binary)
FPX     |M$ Picture It! Image file
FRM     |Form template (ASCII)
FRM     |FrameMaker or FrameBuilder document
FRM     |Oracle executable form version 3.0 and earlier
FRM     |Visual Basic form
FRM     |WordPerfect Merge form
FRM     |Datacad Symbol Report file
FRX     |Visual Basic form stash file
FRX     |M$ FoxPro report file
FRT     M$ FoxPro report file
FSF    fPrint Audit Tool file format
FSL    Borderland's Paradox 7 forms ?????
FSL    Corel Paradox Saved form
FSM     Farandoyle Sample format ?????

FT     | Lotus Notes Full Text index
FT     | Full-text Search Group file resulting from using
FT     | Find in the Windows Help system. Can be erased; regenerates
FTG     | Full-text Search Group file resulting from using
FTG     | Find in the Windows Help system. Can be erased; regenerates
FTS    | Full-Text Search index file resulting from using
FTS    | Find in the Windows help system
FW2     Framework II
FW3     Framework III file
FW4     Framework IV file
FXP     M$ FoxPro compiled source file
FZB    Casio FZ-1 Bank dump
FZF    Casio FZ-1 Full dump
FZV    Casio FZ-1 Voice dump


G721    Raw CCITT G.721 $bit ADPCM format data
G723    Raw CCITT G.723 3 or 5bit ADPCM format data
GAL     Corel Multimedia Manager album
GCD     |Generic (TM) CADD drawing (later versions)
GCD     |Global CD, file containing every single byte from a CD
GCP     | Ground Control Point file used in image processing of remote
GCP     | sensing data often to form map projections. CHIPS (CopenHagen
GCP     | Image Processing System) uses these files.
GDB     |InterBase database file
GDB     |Parson's Announcements file (binary)
GDM     Bells, whistles, and sound boards module format

GED     | GEDCOM genealogical data file, a popular format for
GED     | recording and exchanging genealogical data (ASCII)
GED     |Graphic Environment Document (drawing)
GEM     Ventura/GEM metafile (graphics file) (binary)
GEN     Ventura-Generated text file (ASCII)
GetRight GetRight Unfinished-Download file
GFC     Patton&Patton Flowcharting 4 flowchart file
GFI    Genigraphics Graphics Link presentation (binary)
GFX     Genigraphics Graphics Link presentation (binary)
GID    Windows 95 global index file (containing help status)
GIF    CompuServe Graphics Interchange bitmap (binary)
GIM    Genigraphics Graphics Link presentation (binary)
GIX    Genigraphics Graphics Link presentation (binary)
GKH     Ensoniq EPS family disk image file
GKS     Gravis GripKey document
GL     An animation format
GNA     Genigraphics Graphics Link presentation (binary)

GNT     | Generated Code, an executable code in a
GNT     | Micro Focus proprietary format
GNX     Genigraphics Graphics Link presentation (binary)
GRA     M$ Graph 97 chart

GRD     | Grid file, used in image processing of remote sensing
GRD     | data often to form map projections. CHIPS (CopenHagen
GRD     | Image Processing System) uses these files

GRF     Grapher (Golden Software) graph file
GRP     Program Manager Group
GSM     |Raw GSM 6.10 audio stream
GSM     |Raw 'byte aligned' GSM 6.10 audio stream
GSM     |US Robotics voice modems GSM w.o. header/VoiceGuide/RapidComm
GSM     |US Robotics voice modems GSM w. header/QuickLink
GTK    Graoumftracker (old) music module (MOD) file
GT2    Graoumftracker (new) music module (MOD) file
GWD     Parson's Announcements file (ASCII_)
GWP     Greetings Workshop Project file
GWX     Genigraphics Graphics Link presentation (binary)
GWZ     Genigraphics Graphics Link presentation (binary)
GZ     (UNIX) Gzip compressed file (binary)


H     C program header
HCOM     Sound Tools HCOM format
HDF     A file in Hierarchical Data Format
HED     HighEdit document
HEL    M$ Hellbender saved game
HEX     Macintosh BinHex 2.0 file
HGL     HP Graphics Language drawing (binary)

HH     | Map file. Contains topic IDs and map numbers for each
HH     | of the topics in a Help system. Allows the running
HH     | application to send the user the appropriate
HH     | context-sensitive help topic

HLP    |Help file
HLP    |DataCAD Windows Help file
HOG     Lucas Arts Dark Forces WAD file
HPJ    Visual Basic Help Project
HPP     C++ program header
HQX     Macintosh BinHex 4.0 file (compressed) (binary)
HST    History file
HT     HyperTerminal datafile (binary)
HTM      Hypertext document (ASCII)
HTML      Hypertext document (ASCII)
HTT      M$ Hypertext Template (ASCII)
HTX      Extended HTML template (ASCII)
HUS      Embroidery machines graphics file - Viking (binary)
HXM      Descent2 HAM file extension


IBM     Data files for "Grandma and Me"
ICA     Citrix WinFrame file
ICB     Targa bitmap (binary)
ICC     Kodak printer format
ICL     Icon Library file (industry standard)
ICM     Image Color Matching profile file
ICO     Windows Icon
IDB     MSDev 'intermediate' file
IDD     MIDI Instrument Definition
IDE     UNKNOWN (help appreciated)
IDF     MIDI Instrument Definition (Win95 required file)
IDQ     Internet Data Query file
IDX     |M$ FoxPro relational database index file
IDX     |Symantec Q&A relational database index file
IDX     |M$ Outlook Express file
IFF     Interchange Format Files, Amiga ILBM (graphics) (binary)

IGES     Initial Graphics Exchange Specification file (binary)
IGF     Inset Systems metafile
IIF    QuickBooks for Windows interchange file
IL     Icon library file
ILBM     A bitmap (graphic image) file (binary)
IMA     WinImage file (binary)
IMG      GEM Paint image file (binary)
IN     Copy of IN.MBX (Eudora inbound mail box)
INC     Assembler language or Active Server include file
INF     Information file (ASCII) ?????
INI    Initialization file (ASCII)
INI    MWave DSP synth's mwsynth.ini GM-setup
INI    Gravis UltraSound bank setup
INP     Oracle source code for form, version 3.0 and earlier
INRS     INRS-Telecommunications audio
INS     InstallShield install script (ASCII)
INS     Internet Communications setting
INS     X-Internet sign-up file
INS     Ensoniq EPS family instrument
INS     Sample Cell/II MAC/PC instruments
INT    | Intermediate Code, an executable code produced when
INT    | a source program is syntax-checked
IOF     Findit document
IPG     UNKNOWN (help appreciated)
IQY     M$ Internet Inquiry file

ISO     | Lists the files on a CD-ROM; based on the ISO 9660
ISO     | CD-ROM file system standard
ISP    Internet Communication setting
ISP    X-Internet sign-up file
IST    Digitaltracker instrument file
ISU     InstallShield uninstall script (ASCII)
IT     Impulse Tracker music module file (binary)
ITI    Impulse Tracker instrument
ITS    Impulse Tracker sample
ITS    Internet document set (possibly a M$ file)
IV     A file format use in Open Inventor
IW     Idlewild screensaver


J62    Ricoh camera format
JAR     | Java ARchive file (a compressed file for applets
JAR     | and related files-PKZipped) (binary)
JAVA     Java source code
JBF     Paint Shop Pro image browser file (can delete, is rebuilt)
JFF     JPEG file (graphics file) (binary)
JIF    JPEG-JFIF Compliant image file (binary)
JFIF    JPEG file (graphics file) (binary)
JMP     SAS JMPDiscovery chart-to-statistics file
JN1     Epic MegaGames Jill of the Jungle data file
JPE     JPEG-JFIF Compliant bitmap (binary)
JPEG     JPEG-JFIF Compliant bitmap (binary)
JPG     JPEG-JFIF Compliant bitmap (binary)
JS     JavaScript source code (ASCII)
JSP     A HTML page containing a reference to a Java servlet (ASCII)
JTF     JPEG bitmap (binary)
JTN     Graphics file (JFIF?)


K25     Kurzweil 2500 sample
KAR     Karaoke MIDI file (text+MIDI)
KDC      Kodak Photo-Enhancer image file (binary)
KBS     UNKNOWN (help appreciated)
KEY     DataCAD Icon toolbar file
KFX     KoFax Group 4 image (binary)
KIZ    Kodak digital postcard files
KKW      | Contains all K-keywords in the RoboHELP Help project
KKW      | Index Designer not associated with topics
KMP      Korg Trinity KeyMaP file
KQP      Konica camera native files (binary)
KR1     Kurzweil 2000 sample (multi-floppy)
KRZ     Kurzweil 2000 sample
KSF     Korg Trinity Sample File
KSM      Embroidery machines graphics file - Old (binary)
KYE     Kye game data

L      Lex source
LA     Audio file
LBM     Deluxe Paint bitmap (graphics) (binary)
LBT    M$ FoxPro labels
LBX    M$ FoxPro labels
LCF    Folio License Collection file
LCS     Folio License Update Script
LDB     M$ Access lock file
LDL    Corel Paradox Delivered library
LEG     Legacy document
LES    Logitech Entertainment system game profiles (same as REG file)
LFT    3D Studio (DOS) loft file
LHA     Alternate file suffix for LZH
LIB    Library
LIC    ASCII license information file (tgs)
LIN    DataCAD Line type file
LIS    Output file produced by a Structured Query Reporting (SQR) program
LIV    Symantec Liveupdate files, assorted types, ASCII/Binary
LLX    Laplink Exchange Agent
LMA     Audio file
LNK     Windows shortcut file

LOG     Log file (ASCII)
LPD     |Helix Nuts and Bolts file
LPD     |Avery LabelPro Design File
LQT     Liquid Audio File (binary)
LRC     Intel Video Phone file
LSL    Corel Paradox Saved library
LSP    AutoLISP, CommonLISP, and other LISP language files
LST    List file (ASCII)
LU     ThoughtWing Library Unit file
LVL    Parallax Software's Miner Descent/D2 Level Extension
LWLO     Lightwave Layered Object file
LWOB     Lightwave Object file
LWP     Lotus Wordpro 96/97 file
LWSC     Lightwave Scene file
LYR     DataCAD Layer file
LZH    LH ARC compressed archive (binary)
LZS    Skyroads data file

M1V     MPEG-related file (MIME type 'mpeg')
M3D     Corel Motion 3D animation (binary)
M3U     MPEG URL (MIME audio file) audio/x-mpegurl
M3U     Playlist file (audio) (binary)
MAT     Matlab variables file (binary)
MAC     MacPaint image file (binary)
MAD     M$ Access module
MAF     M$ Access Form
MAG     Image file (binary) (Japanese?)
MAGIC    Magic Mail Monitor configuration file
MAK     Visual Basic or MS Visual C++ Project
MAM     M$ Access Macro
MAN     (UNIX) Manual page output
MAP     Map file
MAP     Duke Nukem 3D WAD game file (binary)
MAQ     M$ Access Query
MAR     M$ Access Report

MAS     |Master Dictionary file PCWrite
MAS     |Lotus Freelance Graphics Smartmaster file (binary)
MAT     M$ Access Table
MAUD     MAUD sample format
MAX     | A file format which represents a scene in
MAX     | KINETIX's 3D Studio MAX
MAX     |Paperport file
MAX     |OrCAD layout file
MAZ     |Hover maze data
MAZ     |A file format use by Division's dVS/dVISE
MB1     Apogee Monster Bash data file
MBOX     Berkeley (UNIX) mailbox format
MBX     |Extension M$ Outlook adds to saved email
MBX     |Eudora mailboxes (ASCII)
MCC     |Dialer10 calling card
MCC     |Monu-Cad Pro CAD file
MCD     Monu-Cad Pro CAD file
MCR     DataCAD Keyboard macro file
MCW      M$ Word for Macintosh document
MDA     |M$ Access add-in
MDA     |M$ Access workgroup for version 2
MDB     M$ Access database
MDE     M$ Access MDE file ?????
MDL     |Digital Tracker music module (MOD) file
MDL     |Quake model file
MDN     M$ Access blank database template
MDP     UNKNOWN (help appreciated)
MDW      M$ Access Workgroup
MDZ     M$ Access wizard template
MED     Music Editor, OctaMED music module (MOD) file

MER     | Format for interchanging spreadsheet/database
MER     | data; recognized by Filemaker, Excel, and others
MES     aab Music Files
MET     Presentation Manager metafile
MGF     A file in a Materials and Geometry Format
MHTM     MHTML document (MIME)
MHTML     MHTML document (MIME)
MI     Miscellaneous ?????
MIC    M$ Image Composer file
MID    MIDI music (binary)
MIDI   MIDI music (binary)
MIF    Adobe FrameMaker Interchange Format
MIFF    |Machine Independent Format File. A multipart file
MIFF    | in the Multi-Purpose Internet Mail Extensions (MIME)
MIFF    | format; often created as the result of sending e-mail
MIFF    | with attachments in AOL.
MIM     |The files in a multipart MIM file can be "opened"
MIM     | unarchived and separated into individual files
MIM     | using Winzip or a similar program. (binary)
MIX    M$ Picture It! image file (binary)
MLI    A file in 3D Studio's Material-Library format.
MLI    Encarta Encyclopedia Media List
MME     | A multipart file in the Multi-Purpose Internet Mail Extensions
MME     | (MIME) format; often created as the result of sending e-mail with
MME     | attachments in AOL. The files in a multipart MME file can be
MME     | "opened" (unarchived and separated into individual files) using
MME     | Winzip or a similar program. (binary)

MMF     Meal Master Format, a recipe cataloging format
MMF     M$ Mail File
MMM     M$ Multimedia Movie
MMP     Mindmapor MindManager file (binary)
MMO     Audioactive file (audio/x-mpg)
MN2     Descent2 Mission File
MND     ?????
MNI    Mandelbrot for Windows
MNG     Multi-image Network Graphics (binary)
MNT     M$ FoxPro menus
MNX     M$ FoxPro menus
MOD     FastTracker, StarTrekker, Noise Tracker music module file
MOD     Protracker music module file
MOD     M$ Multiplan spreadsheet
MOD     Amiga/PC tracker module
MOD     generic text/program module file (tgs) (ASCII)
MOD     Eudora 3.0.6 script file
MOV     QuickTime for Windows movie

MP1    MPEG Audio Layer 1
MP2    MPEG Audio Layer 2
MP3    MPEG Audio Layer 3 (AC3)
MPA     MPEG-related file (MIME type 'mpeg')
MPE     MPEG animation file
MPEG     MPEG animation file
MPG     MPEG animation file
MPP     M$ Project file
MPP     CAD drawing file format
MPR     M$ FoxPro menus (compiled)
MP2     MPEG Audio Layer 2 file (MIME video file)
MP3     MPEG Audio Layer 3 (AC3) file
MRI     MRI Scan (Magnetic Resonance Imaging)
MSA     Magic Shadow Archive (binary)

MSDL     Manchesters Scene Description Language
MSG     M$ Mail message or message file of some kind
MSN     M$ Network document
MSN     Descent Mission File
MSP     M$ Paint bitmap (binary)
MTM     MultiTracker music module file (binary)
MUL     Online game called Ultima online
MUS     Music (ASCII) ?????
MUS10     Mus10 audio
MUZ     Similar to .WAV file, eg, sound file (binary)
MVB     M$ Multimedia Viewer file
MWP      Lotus Wordpro 97 Smartmaster file


NAN     Nanoscope files (Raw Grayscale)
NAP     NAP Metafile Vector image ?????
netCDF network Common Data Form
NCB     M$ Developer Studio file
NCD     Norton Change Directory
NCF     Netware Command File
NCF     Lotus Notes internal clipboard
NDO     3D low-polygon modeler, Nendo
NDX     ASCII index file (tgs)
NET     Network
NFF     Neutral File Format
NFL     Folio Infobase link
NFO     Folio Infobase
NFO     ASCII information file (tgs)
NIL    Norton Icon Library file (EasyIcons-compatible)
NIST    NIST Sphere audio
NLB    Oracle 7 data
NLM     Netware Loadable Module
NLU     Norton Live Update E-Mail Trigger file
NSF     Lotus Notes database
NS2    Lotus Notes database (version 2)
NST     Noise Tracker music module (MOD) file
NTF    Lotus Notes database template
NWC     Noteworthy Composer song file
NWS     M$ OutlookExpress news message (MIME RFC822)


O01    Typhoon voice file
OBD     M$ Office binder template
OBD     M$ Office Binder
OBJ    Object file
OBZ     M$ Office Binder Wizard
OCX     M$ Object Linking and Embedding custom control
ODL     UNKNOWN (from Autospell list)
ODS     M$ Outlook Express mailbox file (?)
OFF    3D mesh Object File Format
OFN     M$ Office FileNew file
OFT    M$ Outlook template
OKT     Oktalyzer music module (MOD) file
OLB     OLE Object Library
OLE     OLE object
OOGL     Object Oriented Graphics Library (binary)

OPL     Organizer Programming Language source file - Psion/Symbian
OPO     OPL output executable file
OPT     M$ Developer Studio file
OPX     OPL extension DLL
ORC     Oracle 7 script (ASCII)
ORG     Lotus Organizer file
OR2   Lotus Organizer 2 file
OR3   Lotus Organizer 97 file
ORA   Oracle 7 configuration
OSS   M$ Office Search file
OST   M$ Exchange/Outlook Offline file
OTL   Super NoteTab template file (Fookes)
OVL   Program overlay (binary)


P10   Tektronix Plot 10 drawing
P65   Pagemaker 6.5 file
P7C   Digital ID file (MIME)
PAB   M$ Personal Address Book
PAC   SB Studio II package
PAD   Portable Application Description (ASCII) fm ACDSee
PAK   Quake WAD file (binary)
PAL   A compressed file (binary)
PAS   Pascal source code (Borland) (ASCII)
PAT   |DataCAD Hatch pattern file
PAT   |Corel Draw pattern
PAT   Advanced Gravis Ultrasound/Forte tech. Patch
PBD   PowerBuilder Dynamic library, an alternative to a native DLL
PBF   Turtle Beach Pinnacle Bank File
PBK   M$ Phonebook

PBL   | PowerBuilder Library used in the PowerBuilder
PBL   | development environment
PBM   Portable bitmap image file (binary)
PBR   PowerBuilder Resource
PCD   | Kodak Photo-CD image P-Code compiled test scripts as in
PCD   | M$ Tst and M$ Visual Test
PCE   Maps Eudora mailbox names to DOS filenames
PCE   Eudora signature file (ASCII)
PCH   UNKNOWN (help appreciated)
PCL   | Hewlett-Packard Printer Control Language file
PCL   | (printer-ready bitmap) (binary)
PCM      Audio file format
PCM      OKI MSM6376 synth chip PCM format
PCP     Symantec Live Update Pro file
PCS     |PICS animation
PCS     |Embroidery machines graphics file - Pfaff (binary)
PCT     Macintosh PICT file (graphics) (binary)
PCX     ZSoft Paintbrush bitmap (binary)

PDB     UNKNOWN (from Autospell)
PDD     Graphics format file
PDF     Adobe Acrobat Portable Document Format
PDF     Netware Printer Definition File
PDB     3Com Palmpilot database file
PDF     Package Definition File from M$ Systems Management Server
PDQ     Patton&Patton Flowcharting PDQ Lite file
PDS     Graphics file
PEC     Embroidery machines graphics file - Brother (binary)
PES     Embroidery machines graphics file - Brother Ver 2 (binary)
PF     Aladdin Systems Private Files encrypted file
PFA     Type 1 font (ASCII)
PFB     Type 1 font (binary)
PFC     PF Component
PFM     Printer Font Metrics
PGL     HP Plotter drawing
PGM      Portable Greymap Image file (bitmap) (binary)
PGP     PGP encrypted file

PH     Temporary file generated by M$ Help Compiler
PHP     HTML Script
PHTML     Perl-parsed HTML
PIC    |PC Paint bitmap Image File (binary)
PIC    |Lotus picture file (binary)
PIC    |Macintosh PICT drawing (binary)
PICT    Macintosh PICT image file (binary)
PIF    Program Information File (Binary/ASCII)
PIF    IBM PIF drawing (binary)
PIG     Lucas Arts Dark Forces WAD file (binary)
PIN    Epic Pinball data file
PIX    Inset Systems bitmap (binary)
PJ     MKS Source Integrity file
PJX    M$'s Visual Foxpro Project
PJT    M$'s Visual Foxpro Project

PKG     | M$ Developer Studio application extension
PKG     | (similar to a DLL file) (binary)
PKR     PGP Public Keyring
PL     Perl program
PLA     Hypertext script file (PERL?) (ASCII)
PLG     A file format used by REND386/AVRIL
PLI    Oracle 7 data description
PLM     DisorderTracker2 module
PLS     DisorderTracker2 sample; Playlist file (binary)
PLS     MPEG PlayList file (used by WinAmp)
PLS     MP3 File
PLT    HPGL Plotter drawing (binary)
PLT    AutoCAD Plot drawing (binary)
PLT    Gerber sign-making software

PM5     Pagemaker 5.0 file
PM6     Pagemaker 6.0 file
PNET     Network Project
PNG     |Portable Network Graphics bitmap (binary)
PNG     |Paint Shop Pro Browser catalogue
PNM     Image file (binary)
PNT     MacPaint graphic file (binary)
PNTG     Same as PNT file
POG     Descent2 PIG file extension
POS     Poster Image file (Parsons Announcements)
POT     M$ PowerPoint Template
POV     Persistence of Vision ray-tracer
PP4     Picture Publisher 4 bitmap (binary)
PPA     M$ PowerPoint Add-in
PPF     Turtle Beach Pinnacle Program File
PPM     Portable Pixelmap bitmap image file (binary)
PPP   Parson Power Publisher

PPP   Serif PagePlus desktop publishing default output
PPS   |M$ PowerPoint slide show
PPS   |Paint Shop Pro image
PPT   M$ PowerPoint presentation
PRC    3Com Palmpilot resource (text or program) file
PRE    Lotus Freelance presentation
PRF   |Windows system file
PRF   |Macromedia Director settings file
PRG    dBase, Clipper, and FoxPro program source files
PRG    WAVmaker program
PRJ   Project File (3d Studio - DOS)
PRN    |Print Table (space delimited text) (ASCII)
PRN    |DataCAD Windows Printer file

PRO    Properties file (Netscape); Profile (????) (ASCII/binary)
PRS    Harvard Graphics for Windows presentation (binary)
PRT   A print-formatted file
PRV    A PsiMail Internet provider template file
PRZ   Lotus Freelance Graphics 97 file (binary)
PS    |Encapsulated PostScript image file (binary)
PS    |Postscript printer-ready file
PSB   Pinnacle Sound Bank
PSD    Adobe Photoshop bitmap image file (binary)
PSI   PSION a-law audio ????? (binary)
PSM    |Protracker Studio Module format
PSM    |Sound data for Epic's games
PSP   Photo Shop Pro Raster Image (graphics) (binary)
PST   M$ Outlook Personal Folder File
PTM    Polytracker music module (MOD) file

PUB    Ventura Publisher publication
PUB    M$ Publisher document
PWD    M$ Pocket Word document
PWL    Windows 95 password list file
PWP    Photoworks image file [film roll]
PWZ     M$ PowerPoint Wizard
PXL    M$ Pocket Excel spreadsheet
PY     |Save emessages from Yahoo
PY     |Python source code
PYC    Python byte code file


QAD     PF QuickArt Document
QBW     QuickBooks for Windows file
QCP     Qualcomm PureVoice file (binary)
QDT     | Quick Books data file from the Quicken UK
QDT     | Accountancy/Tax/Invoice eprogram
QD3D     Apple's QuickDraw 3D Metafile format
QIC    M$ Backup file
QIF    QuickTime-related image (MIME)
QIF    Quicken Import File
QIZ    Question text file (ASCII) (tgs)
QLB    Quick Library

QM     Quality Motion file
QOT     Quotes text file (ASCII) (tgs)
QRY     M$ Query
QST    Quake Spy Tab file
QT     QuickTime Movie (binary)
QTD     Parson's Announcements file (binary)
QTI    QuickTime-related image (binary)
QTIF   QuickTime-related image (binary)
QTM     QuickTime Movie (binary)
QTP    QuickTime Preferences file
QTS    Mac PICT image file (binary)
QTS    QuickTime-related image (binary)
QTX    QuickTime-related image (binary)
QW     Symantec Q&A Write program file
QXD     Quark XPress file

R     Pegasus Mail resource file
RA    RealAudio sound file (binary)
RAM     RealAudio metafile
RAR    RAR compressed archive (Eugene Roshall's format) (binary)
RAS    Sun Raster Image File format (binary)
RAW     |Raw File Format (bitmap) (binary)
RAW     |Template file for MemoryMate (binary)
RAW     |Raw signed PCM data
RBH    |Maintained by RoboHELP, the RBH file adds to
RBH    | the information contained in the Help project file
RC    Resource Compiler script file (BORLAND C++ / MS C++)
RCT    UNKNOWN (help appreciated)
RDF    Resource Description Framework file (related to XML and metadata)
RDL    Descent Registered Level
REC    Recorder macro
REC    RapidComm voice file (binary)
REG    Registration/Registry file ?????
RES    M$ Visual C++ Resource
RFT    | Revisable Form Text (part of IBM's DCA or
RFT    | Document Content Architecture)
RGB    Silicon Graphics RGB files ???? (binary)
RIF   Metacreations Painter format
RLE    Windows/Compuserve Run-Length Encoded bitmap (binary)
RL2    Descent2 Registered Level
RM     RealAudio video file (binary)
RMD     M$ RegMaid document
RME     ASCII Readme file (tgs)

RMF    Rich Map Format (used by 3-D game editors to store a map)
RMI    MIDI music sequence (binary)
RMJ    RealJukebox file (binary)
RMX     RealJukebox file (binary)
ROV    Rescue Rover data file
RPM    RedHat Package Manager package (for Linux)
RPT    M$ Visual Basic Crystal Reports file
RRS    save file for the ace game Road Rash
RSL    Borderland's Paradox 7 reports
RTF    Rich Text Format document
RTM    Real Tracker music module (MOD) file
RTK    Used by RoboHELP to simulate the search feature of Windows help
RTS    |RealAudio's RTSL document
RTS    |RoboHELP to speed complex operations
RTS    |Remode Ridicule Sound File (Apogee)
RUL    Extension used in InstallShield
RVP    M$ Scan Configuration file (MIME)
RXX    | RAR compressed files from a multi-volume archive
RXX    | (XX = a number from 01 to 99) (binary)


S     Assembler source code
S3I   Scream Tracker v3 instrument
S3M    Sound module file for ScreamTracker v3
SAM    |Ami Professional document
SAM    |Signed 8bit sample data
SAS    UNKNOWN (help appreciated)
SAV    Saved game file
SB    Raw Signed Byte (8bit) data

SBK    | Creative Labs Soundfont 1.0 Bank file
SBK    | (Soundblaster)/EMU SoundFont v1.x Bank files
SBL    Shockwave Flash object
SBR    UNKNOWN (help appreciated)
SC2    |M$ Schedule+ 7 file format
SC2    |SAS catalog (Windows 95/NT, OS/2, Mac)
SCC    M$ Source Safe file
SCD    |Matrix/Imapro SCODL slide image
SCD    |M$ Schedule+ 7
SCF    Windows Explorer command file
SCH      M$ Schedule+ 1
SCI     ScanVec Inspire Native file format
SCN      trueSpace2 scene
SCP     Dial-Up Networking Script (ASCII)
SCR      |Windows screensaver (binary) (Executable!)
SCR      |Fax image (binary)

SCT     |SAS catalog (DOS) ?????
SCT     |SciTex Continuous Tone bitmap (binary)
SCT     |M$ FoxPro forms
SCT01     SAS catalog ((UNIX)) ?????
SCV     ScanVec CASmate Native file format
SCX     M$ FoxPro forms
SD      Sound Designer I audio (binary)
SD2     |Sound Designer 2 flattened file/data fork
SD2     |SAS database (Windows 95/NT OS/2, Mac)
SDF     System Data File Format - legacy Unisys (Sperry) format
SDK     Roland S-series floppy disk image
SDL     SmartDraw library (binary)
SDR      SmartDraw drawing (binary)

SDS     Raw Midi Sample Dump Standard file
SDT     SmartDraw template
SDV     Semicolon Divided Values file
SDW      |Lotus WordPro graphic file (binary)
SDW      |Raw Signed DWord (32bit) data
SDW      |Folio Shadow file
SDX     Midi Sample Dump Standard files compacted by SDX

SEA     | Self-expanding archive (used by Stuffit for Mac
SEA     | files and possibly by others) (binary)
SEP     Tagged Image File Format (TIFF) bitmap (binary)
SES     Cood Edit Session file (common digital audio editor file )
SET     File set for M$ backup
SEW      Embroidery machines graphics file - Janome (binary)
SF      IRCAM SoundFile format
SF2     Emu SoundFont v2.0 file (binary)
SFD     SoundStage Sound File Data (binary)
SFI    SoundStage Sound File Info (binary)
SFL     Soft fonts file (binary)
SFP     Soft fonts file (binary)
SFR     Sonic Foundry Sample Resource
SFW      Seattle Film Works (Mangled JPEG) (binary)
SFX     RAR self-extracting archive (binary)
SF2     Creative Labs Soundfont 2.0 Bank file (Soundblaster)
SGML      Standard Generalized Markup Language (ASCII)
SHB     Corel Show presentation
SHB     Document shortcut file
SHG      Hotspot bitmap (binary)

SHP     3D Studio (DOS) shapes file (binary)
SHP     | File format used by some programs for 3D
SHP     | modeling of multipart interactive triangle models
SHS     Shell scrap file
SHW      Corel Show presentation
SIG     Signature file
SHTML     HTML file containing Server Side Includes (SSI)
SIT    Stuffit archive of Mac files (binary)
SIZ    Oracle 7 configuration
SKA     PGP secret Keyring
SKD     Autosketch Drawing Base (binary)
SKL     Macromedia Director resource file
SL     PACT's Save Layout extension
SLB     AutoDesk Slide Library File Format
SLD     AutoDesk Slide File Format

SLK     Symbolic Link (SYLK) spreadsheet
SM3     DataCAD Symbol file
SMP      Samplevision format
SMP      Ad Lib Gold Sample
SND     |NeXT sound
SND     |Mac Sound Resource
SND     |Raw unsigned PCM data ?????
SND     |AKAI MPC-series sample
SNDR      Sounder sound file
SNDT     Sndtool sound file
SNP      Snapshot file of M$ Access 97 report
SOU      SB Studio II sound
SPD      Speach Data file
SPL     |Shockwave Flash Object
SPL     |Digitracker Sample
SPP     UNKNOWN (from Autospell)
SPPACK SPPack sound sample
SPRITE Acorn's bitmap format (binary)
SQC      Structured Query Language (SQR) common code file

SQL     |Informix SQL queries
SQL     | Generally used by database products as an extension
SQL     | for SQL queries (scripts, text, or binary)
SQR      Structured Query Language program file
SRT     alpha sorted text file (tgs) (ASCII)
SSD01     SAS data sets ((UNIX))
SSD      SAS database (DOS)

SSI     Server Side Include ?????
STF     Unknown (ASCII) ?????
STM      | Shorter suffix for .shtml, an HTML file containing
STM      | a Server Side Include (SSI)
STM      |Scream Tracker v2 music module file
ST      Atari ST disk image
STR     Screensaver extension (binary) ?????
STY     Ventura Publisher style sheet
SVX     Amiga 8SVX sound
SVX     Interchange file format, 8SVX/16SV
SW      Raw signed Word (16bit) data
SWA      Shockwave audio file in Macromedia Director (an MP3 file)
SWF      Shockwave Flash object file
SWP      DataCAD Swap file
SYS     System file
SYW      Yamaha SY-series wave files ?????

TAB     Guitar Tablature file
TAR     Tape Archive (compressed)(binary)
TAZ     UNIX - Gzip/Tape Archive (compressed)(binary)
TBK     Asymetrix Toolbook interactive multimedia files
TCL     Script in the TCL/TK Language ?????
TDB     Thumbs Plus database
TDDD     A file format use by the Imagine & Turbo Silver ray-tracers
TEX     Texture file
TGA     Targa bitmap (binary)
TGS     Personal file, eg, Tom Stewart's File (ASCII) (tgs)
TGZ     UNIX - Gzip/Tape Archive (compressed)(binary)
THEME     Windows 95 Desktop Theme
THN     Graphics Workshop for Windows thumbnail (binary)
TIB    UNKNOWN (from Autospell)
TIF    Tagged Image File Format bitmap (binary)
TIFF    Tagged Image File Format bitmap (binary)

TIG    Tiger file, used by US government to distribute maps
TLB     OLE Type Library
TLE     Two-Line Element set (NASA)
TMP     Windows temporary file
TOC     Table of contents of Eudora mailboxes
TOL     Kodak photoenhancer
TOS     The Operating System for Atari 16/32 and 32/32 computers
TPL     CakeWalk Audio Template file
TPL     DataCAD Template file
TPP     Teleport Pro Project
TRK     Kermit script file
TRM     Terminal file
TRN     MKS Source Integrity project usage log
TSK     UNKNOWN (from Autospell)
TTF     TrueType font (binary)
TTK    Corel Catalyst Translation Tool Kit
TWF     TabWorks file
TWW      Tagwrite Template
TX8    MS-DOS text (ASCII)
TXB     Descent/D2 Encoded Briefing File
TXT    |ASCII text-formatted audio data ?????
TXT    |In most cases, an ASCII text file (ASCII)
TXW     Yamaha TX16W wave files ?????
TZ     Old compression format file (binary)
TZD     Time Zone Data (ASCII) (Netscape)
T2T    Sonata CAD modeling software file


UB     Raw unsigned byte (8-bit) data
UDF     Windows NT Uniqueness Database File
UDW      Raw unsigned doubleword (32-bit) data
ULAW     US telephony format (CCITT G.711) audio
ULT    Ultratracker music module (MOD) file
UNI    MikMod UniMod formatted file
URL     Internet shortcut file
USE     MKS Source Integrity file
UU     UU-encoded file
UUE     UU-encoded file
UW      Raw unsigned word (16-bit) data
UWF     UltraTracker Wave file


V8     Covox 8-bit audio file
VAP     Annotated speech
VBA     VBase file
VBP     Visual Basic Project
VBS     Visual Basic Script (Executable?)
VBW     M$ Visual Basic workspace
VBX     Visual Basic custom control
VCE     | Natural MicroSystems (NMS) unformatted voice file
VCE     | (used by Cool Edit)
VCF     Virtual card file (Netscape)

VCF     | Vevi configuration file; defines objects for use
VCF     | with Sense8's WorldToolKit
VCT     M$ FoxPro class library
VCX     M$ FoxPro class library
VDA     Targa bitmap (binary)
VI     | Virtual Instrument file from National Instruments
VI     | LABView product
VIFF    Khoros Visualization format

VIR     | File identified as a virus-infected file by
VIR     | Norton AntiVirus and possibly others
VIV    VivoActive Player streaming video file
VIZ    Division's dVS/dVISE file
VLB     Corel Ventura Library
VMF      FaxWorks audio file
VOC      Creative Labs, Sound Blaster audio file
VOX      Dialogic audio file coded using ADPCM
VOX      Natural MicroSystems (NMS) formatted voice file
VOX      Talking Technology audio file
VP     Ventura Publisher publication

VQE      Yamaha Sound-VQ Locator file
VQF     Yamaha Sound-VQ file (possible emerging standard)
VQL     Yamaha Sound-VQ Locator file
VRF     Oracle 7 configuration
VRML      A Virtual Reality Modeling Language file
VSD     Visio drawing (flow chart or schematic)
VSL     Download List file (GetRight)
VSS     Visio Stencil file
VST     Targa bitmap (binary)
VSW      Visio Workspace file
VXD   M$ Windows virtual device driver


WAB    M$ Outlook Address Book file
WAD    | Large binary file for Doom game containing
WAD    | video, player level, and other information
WAV    Windows Waveform sound
WB1   QuattroPro for Windows spreadsheet
WB2   QuattroPro for Windows spreadsheet
WBK    M$ Word Backup Document
WBL   Argo WebLoad II upload file
WBR    Crick Software WordBar File
WBT   Crick Software Wordbar Template
WCM    WordPerfect Macro
WCM    M$ Works 4.0 Communication file
WDB    M$ Works 4.0 database
WEB    CorelXara Web document
WF    Weaver file (HTML)
WFB   Turtle Beach WaveFront Bank (Maui/Rio/Monterey)
WFD    Turtle Beach WaveFront Drum set (Maui/Rio/Monterey)
WFN    symbols for use in Corel Draw

WFP   Turtle Beach WaveFront Program (Maui/Rio/Monterey)
WGP    Wild Board Games data file
WGT    M$ NetMeeting Whiteboard
WID   Ventura width table
WIL   WinImage file
WIZ   M$ Word Wizard
WK1   Lotus 123 versions 1 & 2 spreadsheet
WK3   Lotus 123 version 3 spreadsheet
WK4   Lotus 123 version 4 spreadsheet
WKS    Lotus 123 Worksheet spreadsheet
WKS    M$ Works 4.0 Sheet or Chart
WLD   REND386/AVRIL file
WLF   Argo WebLoad I upload file
WLL   M$ Word Add-In
WMF   Windows Meta File (graphics) (binary)
WOW    Grave Composer music module (MOD) file
WP    WordPerfect document

WPW    Novel PerfectWorks document
WP4   WordPerfect 4 document
WP5   WordPerfect 5 document
WP6   WordPerfect 6 document
WPC   UNKNOWN (binary) (help appreciated)
WPD   |UNKNOWN (from Autospell)
WPD   |WordPerfect Demo
WPD   |WordPerfect 6.0/7.0 Document
WPG   WordPerfect Graphic file (bitmap or vector) (binary)
WPM    WordPerfect Macro file
WPS   M$ Works document
WPT   WordPerfect Template
WQ1   QuattroPro/DOS spreadsheet
WQ2   QuattroPro/DOS version 5 spreadsheet
WR1   Lotus Symphony
WRI   Write document
WRK   Cakewalk music audio project file

WRL   Virtual Reality model
WRZ   Another VRML fileject ?????
WS1   WordStar for Windows 1 document
WS2   WordStar for Windows 2 document
WS3   WordStar for Windows 3 document
WS4   WordStar for Windows 4 document
WS5   WordStar for Windows 5 document
WS6   WordStar for Windows 6 document
WS7   WordStar for Windows 7 document
WSD   WordStar 2000 document
WSE   UNKNOWN (from Autospell)
WTA   UNKNOWN (from Autospell)
WVL   Wavelet Compressed Bitmap (binary)
WWL     M$ Word add-in file


X     AVS image format
XAR    Corel Xara drawing
XBM     A MIME 'xbitmap' image file (binary)
XI    Instrument sample file for ScreamTracker
XIF   Wang imaging file (comes with Windows 95)
XLA    M$ Excel add-in
XLB    M$ Excel toolbar
XLC    M$ Excel chart
XLD    M$ Excel dialogue
XLK    M$ Excel backup
XLL    M$ Excel add-in file
XLM    M$ Excel macro
XLS    M$ Excel worksheet
XLT    M$ Excel template
XLV    M$ Excel VBA module
XLW     M$ Excel workbook / workspace

XM     FastTracker 2, Digital Tracker music module file
XM     eXtended module (audio) (binary)
XML    ASCII data file fm ACDSee
XNK    M$ Exchange shortcut file
XPM     X BitMap format image file (binary)
XR1    Epic MegaGames Xargon data file
XTP    XTree data file
XWD     X Window Dump format
XWF     Yamaha XG Works file (MIDI sequencing)
XXE    Compressed file (binary)
XXX    |Embroidery machines graphics file - Compucon/Singer (binary)
XXX    |ASCII correspondence template file (tgs)
XY3    XYWrite III document
XY4    XYWrite IV document
XYP    XYWrite III Plus document
XYW     XYWrite for Windows 4.0 document
X16    Macromedia Extra (program extension), 16 bit
X32    Macromedia Extra (program extension), 32 bit


Y     YACC (Yet Another Compiler Compiler) ????
Y     YACC (Yet Another C Compiler)
YAL    Arts & Letters clipart library
YBK    M$ Encarta Yearbook


Z     UNIX - Gzip archive (compressed)(binary)
ZIP   Compressed archive (binary)
ZOO     An early compressed file format (binary)

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