- .a
ada source code file
- .a
library (unix)
- .a11
graphics aiim image file
- .ab6
datafile (abstat)
- .ab8
datafile (abstat)
- .aba
address book archive [palm]
- .abk
automatic backup file (coreldraw)
- .abs
abstracts (info file)
- .abs
data file (abscissa)
- .aca
project (project manager workbench)
- .acb
graphics (acmb)
- .acc
program (dr-dos viewmax) (gem / resident)
- .act
actor source code file
- .act
foxdoc action diagrams (foxpro)
- .act
presentation (action!)
- .ad
screen saver data (afterdark)
- .ada
ada source code file
- .adb
ada package body
- .adc
bitmap graphics (16 colours) (scanstudio)
- .adi
graphics (autocad)
- .adl
mca adapter description library (qemm)
- .adf
adapter description file
- .adf
amiga disk file [uae]
- .adn
add in utility [lotus 1-2-3] [ldc]
- .adn
add-in (lotus 1-2-3)
- .ads
ada package specification
- .adt
datafile for cardfile application (hp newwave)
- .adt
fax (adtech)
- .adx
document (archetype designer)
- .aero
aviation industry (domain name) [internet]
- .af2
flowchart (abc flowcharter 2.0)
- .afi
truevision bitmap graphics
- .afl
font file (for allways) (lotus 1-2-3)
- .afm
type 1 font metric ascii data for font installer (atm many)
- .afm
datafile for cardfile application (hp newwave)
- .afm
adobe font metrics [adobe systems]
- .ai
vector graphics (adobe illustrator)
- .ain
compressed file archive created by ain
- .aio
apl file transfer format file
- .ais
array of intensity samples graphics (xerox)
- .aix
datafile for cardfile application (hp newwave)
- .all
format file for working pages (always)
- .all
general printer information (wordperfect for win)
- .all
symbol and font files (arts & letters)
- .alt
menu file (wordperfect library)
- .amf
music (advanced module format)
- .amg
compressed file archive created by amgc
- .amg
system image file (actor)
- .ani
animated cursor [microsoft]
- .anm
animation (deluxe paint animator)
- .ann
help annotations (windows 3.x)
- .ans
ansi graphics (character animation)
- .ans
ascii text ansi character set (newwave write)
- .aos
add-on software (nokia 9000)
- .ap
compressed amiga file archive created by whap
- .ap
datafile (datalex entrypoint 90)
- .apc
printer driver (lotus 1-2-3)
- .apd
printer driver (lotus 1-2-3)
- .apf
printer driver (lotus 1-2-3)
- .api
passed parameter file (1st reader)
- .api
printer driver (lotus 1-2-3)
- .apl
apl work space format file
- .app
add-in application file (symphony)
- .app
application object file (dbase application generator)
- .app
executable application file (dr-dos nextstep atari)
- .app
generated application (foxpro)
- .app
application [r:base]
- .apr
employee performance review (employee appraiser)
- .apx
appexpert database file (borland c++ 4.5)
- .arc
compressed file archive created by arc (arc602.exe/pk361.exe)
- .arc
compressed file archive created by squash (squash.arc)
- .arf
automatic response file
- .ari
compressed file archive created by ari
- .arj
compressed file archive created by arj (arj241.exe)
- .ark
arc file archive created by cp/m port of arc file archiver
- .ark
compressed file archive created by quark
- .arr
arrangement (atari cubase)
- .art
graphics (scrapbook) (art import)
- .art
raster graphics (first publisher)
- .arts
cultural groups (domain name) [internet]
- .arx
compressed file archive created by arx
- .asc
ascii text file
- .asc
transport armor file (pgp)
- .asd
autosave file (word for windows)
- .asd
presentation (astound)
- .asd
screen driver (lotus 1-2-3)
- .asf
datafile (statgraphics)
- .asf
screen font (lotus 1-2-3)
- .ash
assembly language header file (tasm 3.0)
- .asi
assembler include file (turbo c borland c++)
- .asm
assembly source code file
- .aso
assembler object (object orientated) file (turbo assembler)
- .asp
aspect source code file (procomm plus)
- .asp
association of shareware professionals ombudsmn.asp notice
- .asp
active server page
- .at2
auto template (aldus persuasion 2.0)
- .atm
adobe type manager data/info
- .au
sound (audio) file (sun microsystems)
- .aux
auxillary references (tex/latex)
- .aux
auxiliary dictionary (chiwriter)
- .ava
publication (avagio)
- .avi
audio video interleaved animation file (video for windows)
- .aw
text file (hp advancewrite)
- .awk
awk script/program
- .awm
movie (animation works)
- .aws
data (statgraphics)
- .b
batch list (applause)
- .b&w
black and white graphics (atari mac)
- .b&w
mono binary screen image (1st reader)
- .b1n
both mono and colour binary screen image (1st reader)
- .b30
printer font (jlaser cordata) (ventura publisher)
- .b8
raw graphics (one byte per pixel) plane two (piclab)
- .b_w
black and white graphics (atari mac)
- .bad
bad file (oracle)
- .bak
backup file
- .bal
music score (ballade)
- .bar
horizontal bar menu object file (dbase application generator)
- .bas
basic source code file
- .bat
batch file (dos)
- .bb
database backup (papyrus)
- .bbl
bibliographic reference (tex/bibtex)
- .bbm
brush (deluxe paint)
- .bbs
bulletin board system announce or text info file
- .bch
batch process object file (dbase application generator)
- .bch
datafile (datalex entrypoint 90)
- .bco
outline font description (bitstream)
- .bcp
borland c++ makefile
- .bcw
environment settings (borland c++ 4.5)
- .bdf
bitmap distribution format font file (x11)
- .bdf
datafile (egret)
- .bdr
border (ms publisher)
- .bez
outline font description (bitstream)
- .bf2
bradford 2 font
- .bfc
briefcase [microsoft]
- .bfm
font metrics (unix/frame)
- .bfx
fax (bitfax)
- .bga
bitmap graphics
- .bgi
borland graphics interface device driver
- .bib
bibliography (ascii)
- .bib
database not compatible with tex format (papyrus)
- .bib
literature database (tex/bibtex)
- .bif
binary image format b&w graphics (image capture board)
- .bin
binary file
- .bio
os/2 bios
- .bit
bitmap x11
- .biz
businesses (domain name) [internet]
- .bk
faxbook (jetfax)
- .bk!
document backup (wordperfect for win)
- .bk1
timed backup file for document window 1 (wordperfect for win)
- .bk2
timed backup file for document window 2 (wordperfect for win)
- .bk3
timed backup file for document window 3 (wordperfect for win)
- .bk4
timed backup file for document window 4 (wordperfect for win)
- .bk5
timed backup file for document window 5 (wordperfect for win)
- .bk6
timed backup file for document window 6 (wordperfect for win)
- .bk7
timed backup file for document window 7 (wordperfect for win)
- .bk8
timed backup file for document window 8 (wordperfect for win)
- .bk9
timed backup file for document window 9 (wordperfect for win)
- .bkp
backup file (write turbovidion dialogdesigner)
- .bkw
mirror image of font set (fontedit)
- .bld
bloadable picture (basic)
- .blk
temporary file (wordperfect for win)
- .bm
bitmap graphics
- .bmk
help bookmarks (windows 3.x)
- .bmp
bitmap graphics (pc paintbrush many)
- .bnk
adlib instrument bank file
- .boo
compressed file ascii archive created by boo (msbooasm.arc)
- .bpc
chart (business plan toolkit)
- .bpt
bitmap fills file (coreldraw)
- .br
script (bridge)
- .brd
eagle layout file
- .brk
fax (brooktrout fax-mail)
- .bsa
compressed file archive created by bsarc
- .bsc
compressed apple ii file archive created by binscii
- .bsc
database (source browser)
- .bsc
pwbrmake object file (ms fortran)
- .bsc
boyan script [boyan communications]
- .btm
batch to memory batch file (4dos)
- .bug
bugs and problems
- .bup
backup file
- .but
button definitions (buttons!)
- .buy
datafile format (movie)
- .bv1
overflow file below insert point in doc 1 (wordperfect for win)
- .bv2
overflow file below insert point in doc 2 (wordperfect for win)
- .bv3
overflow file below insert point in doc 3 (wordperfect for win)
- .bv4
overflow file below insert point in doc 4 (wordperfect for win)
- .bv5
overflow file below insert point in doc 5 (wordperfect for win)
- .bv6
overflow file below insert point in doc 6 (wordperfect for win)
- .bv7
overflow file below insert point in doc 7 (wordperfect for win)
- .bv8
overflow file below insert point in doc 8 (wordperfect for win)
- .bv9
overflow file below insert point in doc 9 (wordperfect for win)
- .bwb
spreadsheet application (visual baler)
- .bwr
beware (buglist) (kermit)
- .c
c source code file
- .c
compressed unix file archive created by compact
- .c++
c++ source code file
- .c--
source code (sphinx c--)
- .c00
print file (ventura publisher)
- .c86
c source code file (computer innovation c86)
- .ca
initial cache data for root domain servers (telnet)
- .cab
cabinet file (microsoft installation archive)
- .cad
softdesk drafix cad file
- .cac
dbase iv executable when caching on/off (see cachedb.bat)
- .cad
document (drafix windows cad)
- .cal
calendar file (windows 3.x)
- .cal
spreatsheet (supercalc)
- .can
fax (navigator fax)
- .cap
caption (ventura publisher)
- .cap
session capture file (telix)
- .cas
comma-delimited ascii file
- .cat
catalog (dbase iv)
- .cbc
fuzzy logic system (cubicalc)
- .cbl
cobol source code file
- .cbm
compiled bitmap graphics (xlib)
- .cbt
computer based training (many)
- .cc
c++ source code file
- .ccb
visual basic animated button configuration
- .ccc
bitmap graphics (native format) (curtain call)
- .ccf
communications configuration file (symphony)
- .cch
chart (corelchart)
- .ccl
communication command language file (intalk)
- .ccs
colour calibration system
- .cco
btx graphics file (xbtx)
- .cda
cd audio track
- .cdb
card database (cardscan)
- .cdb
main database (tcu turbo c utilities)
- .cdf
graphics (netcdf)
- .cdf
comma delimited format
- .cdk
document (atari calamus)
- .cdr
vector graphics (coreldraw native format)
- .cdt
data (coreldraw 4.0)
- .cdx
compound index (foxpro)
- .ce
main.ce (the farside computer calendar)
- .ceg
bitmap graphics (tempra show edsun continuous edge graphics)
- .cel
graphics (autodesk animator lumena)
- .cf
configuration file (imake)
- .cfg
configuration
- .cfl
chart (corelflow)
- .cfn
font data (atari calamus)
- .cfo
c form object internal format object file (tcu turbo c utilities)
- .cfp
fax (the complete fax portable)
- .cga
cga display font (ventura publisher)
- .cgi
common gateway interface script
- .cgm
computer graphics metafile vector graphics (a&l hg many)
- .cgm
graph [lotus 1-2-3] [ldc]
- .ch
header file (clipper 5)
- .ch3
chart (harvard graphics 3.0)
- .ch4
presentation (charisma 4.0)
- .chd
font descriptor (fontchameleon)
- .chi
document (chiwriter)
- .chk
recovered data (chkdsk)
- .chk
temporary file (wordperfect for win)
- .chl
configuration history log
- .chn
data (ethnograph 3)
- .chp
chapter file (ventura publisher)
- .chr
character set (turbo c turbo pascal)
- .cht
chart (harvard graphics 2.0 softcraft presenter)
- .cht
interface file for chartmaster (dbase)
- .cif
caltech intermediate format graphics
- .cif
chapter information (ventura publisher)
- .cix
database index (tcu turbo c utilities)
- .ckb
keyboard mapping (borland c++ 4.5)
- .cl
common lisp source code file
- .clp
clip art graphics (quattro pro)
- .clp
clipboard file (windows 3.x)
- .clp
compiler script file (clip list) (clipper 5)
- .clr
colour binary screen image (1st reader)
- .clr
colour definitions (photostyler)
- .cls
c++ class definition file
- .cm
data file (craftman)
- .cmd
batch file (os/2)
- .cmd
command (dbase waffle)
- .cmd
external command menu (1st reader)
- .cmf
fm-music file (creative music file)
- .cmk
card (card shop plus)
- .cmm
cmm script (batch) file (cenvi)
- .cmp
header file for postscript printer files (coreldraw)
- .cmp
user dictionary (ms word for dos)
- .cmp
bitmap graphics (lead cmp compression)
- .cmv
animation (corelmove coreldraw 4.0)
- .cnc
cnc general program data
- .cnf
configuration (program printer setup)
- .cnt
contents
- .cnv
data conversion support file (word for windows)
- .cnv
temporary file (wordperfect for win)
- .cob
cobol source code file
- .cod
datafile (forecast plus ms multiplan statpac gold)
- .cod
program compiled code (fortran)
- .cod
template source file (dbase application generator)
- .cod
videotext file
- .col
colour palette (autodesk animator many)
- .col
spreadsheet (ms multiplan)
- .com
command (memory image of executable program) (dos)
- .con
configuration file (simdir)
- .cpd
script (complaints desk)
- .cpe
cover page
- .cpf
fax (the complete fax)
- .cpi
code page information file (dos)
- .cpi
colorlab processed image bitmap graphics
- .cpl
control panel file (microsoft windows)
- .cpl
presentation (compel)
- .cpp
c++ source code file
- .cpp
presentation (ca-cricket presents)
- .cps
backup of startup files by central point pc tools autoexec.cps
- .cps
coloured postscript files
- .cpt
compressed mac file archive created by compact pro (ext-pc.zip)
- .cpt
encrypted memo file (dbase)
- .cpt
template (ca-cricket presents)
- .cpz
music text file (compoz)
- .crd
cardfile (windows 3.x yourway)
- .crd
chord
- .crf
cross-reference (ms masm zortech c++)
- .crp
encrypted database (dbase iv)
- .crs
file conversion resource (wordperfect 5.1)
- .crt
terminal settings information (oracle)
- .cru
compressed file archive created by crush
- .csg
graph (statistica/w)
- .csm
precompiled headers (borland c++ 4.5)
- .csp
pc emcee screen image file (computer support corporation)
- .css
datafile (css stats+)
- .css
datasheet (statistica/w)
- .csv
comma separated values text file format (ascii)
- .csv
adjusted ega/vga palette (compushow)
- .ctc
control file (pc installer)
- .ctf
character code translation file (symphony)
- .ctl
control file (dbase iv aldus setup)
- .ctx
course text file (microsoft online guides)
- .ctx
ciphertext file (pretty good privacy rsa system)
- .cuf
c utilities form definition (tcu turbo c utilities)
- .cur
cursor image file (microsoft windows)
- .cut
bitmap graphics (dr. halo)
- .cv4
colour file (codeview)
- .cvp
cover page (winfax)
- .cvs
graphics (canvas)
- .cvt
backup file for converted database file (dbase iv)
- .cvw
colour file (codeview)
- .cxx
c++ source code file (zortech c++)
- .dat
data file in special format or ascii
- .db
configuration (dbase iv dbfast)
- .db
database (paradox smartware)
- .db$
temperature debug info (clarion modula-2)
- .db$
temporary file (dbase)
- .db2
database (dbase ii)
- .db3
database (dbase iii)
- .dba
datafile (dataease)
- .dbd
business data (business insight)
- .dbd
debug info (clarion modula-2)
- .dbf
database file (dbase iii/iv foxpro dbfast databoss)
- .dbg
symbolic debugging information (ms c/c++)
- .dbk
database backup (dbase iv)
- .dbm
datafile (dataease)
- .dbm
menu template (databoss)
- .dbo
compiled program (dbase iv)
- .dbs
database in sql windows format
- .dbs
datafile (prodas)
- .dbs
printer description file (word works)
- .dbt
data base text (clipper)
- .dbt
foxbase+ style memo (foxpro)
- .dbt
memo file for database w/same name (dbase iv dbfast)
- .dbw
windows file (databoss)
- .dca
document content architecture text file (ibm displaywrite)
- .dcf
disk image file
- .dcp
data codepage (os/2)
- .dcs
bitmap graphics (cymk format) (quarkxpress)
- .dcs
datafile (act! activity files)
- .dct
database dictionary (clarion database developer)
- .dct
spell checking dictionary (harvard graphics 3.0 symphony)
- .dcx
bitmap graphics (multipage pcx)
- .dd
compressed macintosh file archive created by diskdoubler
- .ddb
bitmap graphics
- .ddi
diskdupe image file (ddupe322.zip)
- .ddp
device driver profile file (os/2)
- .deb
debug script (dos debug)
- .def
assembly header file (geoworks)
- .def
defaults definitions
- .dem
demonstration
- .dem
graphics (vistapro)
- .dev
device driver
- .dfd
data flow diagram graphic (prosa)
- .dfi
outline font description (digifont)
- .dfl
default program settings (signature)
- .dfm
data flow diagram model file (prosa)
- .dfs
delight sound file
- .dfv
printing form (word)
- .dgn
graphics (microstation)
- .dgs
diagnostics
- .dh
dependency information for .ph (geoworks)
- .dhp
dr. halo pic format graphics (dr. halo ii iii)
- .dht
datafile (gauss)
- .dia
diagraph graphics (computer support corporation)
- .dib
bitmap graphics (device-independent bitmap)
- .dic
lotus notes / domino dictonary file
- .dif
database (visicalc)
- .dif
output from diff command script for patch command
- .dif
text file (data interchange format)
- .dip
graphics
- .dir
dialing directory file (procomm plus)
- .dir
directory file (vax)
- .dir
movie (macromind director 4.x)
- .dis
distribution file (vax mail)
- .dis
thesaurus (coreldraw)
- .diz
description file (description in zip)
- .dkb
raytraced graphics (dkbtrace)
- .dl
animation (italian origin)
- .dld
data (lotus 1-2-3)
- .dlg
dialog resource script file (ms windows sdk)
- .dll
dynamic link library (windows 3.x os/2)
- .dll
export/import filter (coreldraw)
- .dls
setup (norton disklock)
- .dmo
demo (derive)
- .dmp
dump file (eg. screen or memory)
- .dms
compressed amiga file archive created by diskmasher
- .doc
document text file
- .dog
screen file (laughing dog screen maker)
- .doh
dependency information for .poh (geoworks)
- .dos
external command file (1st reader)
- .dos
network driver (eg. pkt_dis.dos)
- .dos
text file containing dos specific info
- .dot
line-type definition file (coreldraw)
- .dot
template (word for windows)
- .dox
text file (multimate 4.0)
- .doz
description out of zip (vendinfo)
- .dp
calendar file (daily planner)
- .dp
data file (dataphile)
- .dpr
default project- and state-related information (borland c++)
- .drs
display resource (wordperfect for win)
- .drv
device driver eg. for printer
- .drw
vector graphics (micrografx designer)
- .ds4
vector graphics (micrografx designer 4.0)
- .dsc
discard file (oracle)
- .dsd
database (datashaper)
- .dsk
project desktop file (borland c++ turbo pascal)
- .dsm
digital sound module (dsi)
- .dsn
design (object system designer)
- .dsp
display parameters (signature)
- .dsp
graphics display driver (dr.halo)
- .dsr
driver resource (wordperfect for win)
- .dss
screensaver file (dcc)
- .dss
sound (digital soup)
- .dsw
desktop settings (borland c++ 4.5)
- .dt_
data fork of a macintosh file (mac-ette)
- .dta
data file (turbo pascal pc-file stata)
- .dtf
database file (pfs q&a)
- .dtp
document (timeworks publisher3)
- .dtp
publication (publish-it!)
- .dvc
data (lotus 1-2-3)
- .dvi
device independent document (tex)
- .dvp
desqview program information file (desqview)
- .dvp
device parameter file (autocad)
- .dw2
drawing (designcad for windows)
- .dwc
compressed file archive created by dwc (dwc-a501.exe)
- .dwg
drawing (drafix)
- .dwg
drawing database (autocad)
- .dx
text file (dec wps/dx format dec wps plus)
- .dxf
drawing interchange file format vector graphics (autocad)
- .dxn
fax (fujitsu dexnet)
- .dyn
data (lotus 1-2-3)
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