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Text files

547 file extensions

File extensions used for various plain text and ASCII file types

Text file is a type of computer file, which often stores plain text information in ASCII format. ASCII (American Standard Code for Information Interchange) is a character-encoding scheme based on the ordering of the English alphabet. The ASCII standard allows ASCII-only text files to be freely interchanged and readable on Unix, Macintosh, Microsoft Windows, DOS, or other platforms. ASCII codes represent text in computers, communications and other devices that use text.

Modern character-encoding schemes, which support many more characters than did the original, are based on ASCII. Text files have a plethora of file suffixes, but most used file extension which identify simple text is txt or text (Microsoft Windows) and the MIME type used for it is "text/plain" (MAC OS X, Linux).

Text files can be simply opened and edited in many of plain text editors (Notepad, Notepad++ and many others).

All file extensions in category: Text file

547 file extensions - page 1 of 2

_me
._me
Read me file
!!!
.!!!
README text
$00
.$00
MS-DOS pipe data
$01
.$01
MS-DOS pipe file
$02
.$02
MS-DOS pipe
$04
.$04
MS-DOS pipe
$05
.$05
MS-DOS pipe file
$o1
.$o1
MS-DOS pipe
$ol
.$ol
MS-DOS pipe
001
.001
SwiftView ICS command data
1
.1
Unix unformatted manual page
1st
.1st
Readme first text document
7
.7
GNU Screen log
8
.8
Unix unformatted manual page
82t
.82t
TI-82 text
89t
.89t
TI-89 text
8xt
.8xt
TI-82 text
92t
.92t
TI-92 text
9xt
.9xt
TI-89 text
abl
.abl
Maxagrid Avails data file
abt
.abt
Braille2000 annotated braille text
ac
.ac
AC3D geometry data
adiumhtmllog
.adiumhtmllog
Adium HTML log
adiumlog
.adiumlog
Adium log
adl
.adl
ADONIS models and model groups export
adoc
.adoc
Asciidoctor document
adt
.adt
AutoCAD audit report
adw
.adw
Tamil transliterater/font converter data
alx
.alx
BlackBerry application loader
aml
.aml
Microsoft Assistance Markup Language
android
.android
Readme file
annot
.annot
Adobe Digital Editions annotations data
ans
.ans
ANSI text (ANSI Art)
ansi
.ansi
ANSI text (code page 437)
application
.application
ClickOnce deployment manifest
aprj
.aprj
ApacheConf project
apx
.apx
ArcPad XML document
aqt
.aqt
AQTitle subtitles
arff
.arff
Weka attribute-relation data
artask
.artask
Remedy User Tool shortcut
asc
.asc
ASCII text
ascii
.ascii
ASCII text characters data
asl
.asl
AppSight console log
asp
.asp
ASP text document
asp
.asp
Active Server Page script page
ass
.ass
Advanced SubStation Alpha subtitles
assoc
.assoc
Associate This file association database file
att
.att
Web Form Data
awa
.awa
ActiveWords data
awb
.awb
ActiveWords WordBase file
awd
.awd
COREX automatic word and phoneme segmentation file
awh
.awh
ActiveWorlds browser help data
awp
.awp
ActiveWords productivity log file
axt
.axt
ASCII Application Object template
ba1
.ba1
Microsoft Windows Media Center report log
bad
.bad
Microsoft Exchange badmail data
bas
.bas
Basic source code
bbs
.bbs
Bulletin Board System text document
bbxt
.bbxt
BBEdit file
bcr
.bcr
map&guide station list
bdn
.bdn
Blu-ray BDN XML subtitle data
bdp
.bdp
Microsoft Exchange diagnostic message
bdr
.bdr
Microsoft Exchange non-delivery report body file
bea
.bea
Beamer song file
bel
.bel
Beamer layout data
bep
.bep
Beamer playlist file
big
.big
Chinese text
big5
.big5
Chinese text
bk
.bk
Movie Magic Screenwriter document backup file
blm
.blm
Eurolink comma separated value
bln
.bln
Golden Software Blanking file format
blw
.blw
ArcView world file for bil image
bna
.bna
Atlas Boundary data
bnx
.bnx
Board Neutral Exchange data
bog
.bog
Binary object geometry format
box
.box
AIM AOL Instant Messenger boxely data
box
.box
ICQ 6 boxelyToolkit file
bpdx
.bpdx
Adobe Acrobat catalog batch PDX data
brf
.brf
Braille ready format
bsdl
.bsdl
Boundary Scan Description Language
bss
.bss
Bridge Base data
bt
.bt
Binary Template Archive
bzw
.bzw
BZFlag map
cag
.cag
Capella gallery
cas
.cas
Comma-delimited ASCII document
cascii
.cascii
CACTVS chemical ASCII format
cc
.cc
Trojan Spymaster.A text document
cd2
.cd2
DATAIR Cafeteria Document System custom text
cdt
.cdt
ImgBurn CD-text project
cff
.cff
Citation File Format
changes
.changes
Debian package changes information file
charset
.charset
Character set
cho
.cho
CUHP output file
chord
.chord
Song chords
cif
.cif
Caltech Intermediate Format file
cil
.cil
Norton CleanSweep installation log
ckn
.ckn
Disk Doctors licence log
clg
.clg
QIP list of ignored contacts file
cli
.cli
QIP invisible list
clipping
.clipping
Mac Text clipping file (prior Mac OS 9)
clix
.clix
CLIX command data
cm0013
.cm0013
Device identify data file
cof
.cof
AutoDesk data
conf
.conf
Configuration information
coo
.coo
AutoCAD Bounding Coordinates Cookie
crash
.crash
Apple Mac Console report
crd
.crd
Guitar chord
crwl
.crwl
Microsoft Windows crawl log
cs
.cs
Czech language translation file
csassembly
.csassembly
ICQ 6 data
csmanifest
.csmanifest
ICQ 6 settings
csv
.csv
Comma Separated Value file
ctd
.ctd
CardTable data
ctf
.ctf
Casio calculator text format
ctl
.ctl
Visual Basic control data (Active X control data)
ctl
.ctl
EditPlus cliptext file
ctx
.ctx
GE Industrial Systems CIMPLICITY text version HMI screen
curl
.curl
URL links curl
dat
.dat
Tecplot ASCII data
database_uuid
.database_uuid
UUIDs are numbers used to uniquely identify objects on a computer system
dbt
.dbt
Database text memo
dcd
.dcd
Document Content Description (XML) data
dce
.dce
AutoCAD R2000 dialogue error log
ddd
.ddd
BullsEye text or style sheet
de
.de
German language translation
dea
.dea
Drug Enforcement Administration record data
dectest
.dectest
Decimal test data
des
.des
Description text
desc
.desc
Description data
dfe
.dfe
RISC OS comma separated value file
dfm
.dfm
Delphi Win32 form
dii
.dii
CT Summation document image information load file
diskdefines
.diskdefines
Linux LiveCD information data
diz
.diz
Description in ZIP archive
dk
.dk
Danish text/localization
dkz
.dkz
ZIP description text
dmr
.dmr
BrainVoyager QX project
dne
.dne
Netica Bayesian network text file
dok
.dok
ASCII text
dp
.dp
Text document
dpv
.dpv
PrintView RAW text
dqy
.dqy
Microsoft Excel ODBC query
drp
.drp
Droplets data file
dsc
.dsc
Tag descriptor data
dsml
.dsml
Directory Services Markup Language (DSML) identity feed
dtd
.dtd
Document Type Definition format
ecsv
.ecsv
Encapsulated Comma Separated Value file
edml
.edml
EDML Parser-Library file
efm
.efm
Electronic Fiction Manuscript file
eia
.eia
Excellon data
emulecollection
.emulecollection
eMule collection data file
en
.en
English language localization file
enc
.enc
Encore musical notation file format
err
.err
Error log
es
.es
Spanish language translation data
etf
.etf
Enriched Text Format e-mail message
etx
.etx
Setext Structure Enhanced text
euc
.euc
UNIX japanese text (Kanji)
ext
.ext
E-mail text attachment
extra
.extra
Mozilla Firefox crash report
faq
.faq
Frequently Asked Questions
fff
.fff
RISC OS ASCII text
ffp
.ffp
FLAC fingerprint data
fil
.fil
File list
fin
.fin
Sapir Torah text
first
.first
Formatted text
flr
.flr
Flare decompiled ActionScript
fmr
.fmr
BrainVoyager QX project file
fnx
.fnx
Fenix Key data
fon
.fon
COREX manually verified broad phonetic transcription data
fpt
.fpt
Database memo file
fr
.fr
French language translation
fra
.fra
French localization
frm
.frm
Form file
fsa
.fsa
FASTA DNA and Protein Sequence Alignment
full
.full
Cygwin variable log
gbf
.gbf
General Bible Format
gdt
.gdt
SmartWare text graph file
gen
.gen
Ventura Publisher generated text data
ger
.ger
German text/html info
gluaw
.gluaw
Programmer's Notepad text
gnu
.gnu
GNU licence information
gpl
.gpl
GNU Public Licence text file
gthr
.gthr
Microsoft Exchange Server gather log
gtx
.gtx
GX Text word pad data
guide
.guide
AmigaGuide hypertext document
hdr
.hdr
ArcView header data
hhc
.hhc
HTML Help table of contents
hhs
.hhs
Microsoft HTML Help Workshop sample data
hlm
.hlm
Help data
hlx
.hlx
Help Magician help text file
hm12
.hm12
Readme document for Linux driver patch
hp8
.hp8
NewWave Write Text file
hpm
.hpm
HP NewWave emm text
hs
.hs
Java HelpSet file
hsk
.hsk
Huskey Truss & Building Supply point-of-sale import text file
htm
.htm
HTML Hypertext Markup Language web page
html
.html
HyperText Markup Language web page
html5
.html5
HTML5 Hypertext Markup Language revision 5 source
htmls
.htmls
HyperText Markup Language document with server-side include
htx
.htx
Microsoft FrontPage database results
hvc
.hvc
ASCII text
hz
.hz
Chinese (Hanzi) text
id31
.id31
Helium Music Manager id3 tags export
id32
.id32
Helium Music Manager id3 tags export
idc
.idc
Text document
idt
.idt
Windows Installer exported database table
idx
.idx
Easy Timesheets data
iem
.iem
Informix error message
igtx
.igtx
IGOR Pro text document
igv
.igv
Integrative Genomics Viewer data
igy
.igy
Microsoft Excel web query data
iif
.iif
QuickBooks interchange format
ill
.ill
Illust Logic Puzzle data
inc
.inc
Pascal file
inc
.inc
JAWS text file
inc
.inc
Total Commander language file
inuse
.inuse
Text configuration (in use)
ion
.ion
Mascot data
ion
.ion
Description data
ion
.ion
NewsLeecher description file
ipr
.ipr
IntelliJ project XML data
isi
.isi
ISI citation format
isr
.isr
InstallShield uninstall information data
it
.it
Italian language translation file
ivp
.ivp
PhotoSuite image-based virtual reality text
ja
.ja
Japanese language translation
jam
.jam
JAM Message Base format
jam
.jam
Jam music score
jam
.jam
Altera ASCII text
jeb
.jeb
PENSIM output
jis
.jis
Japanese Industry Standard text
jp1
.jp1
Japanese (Romaji) text file
jss
.jss
JACOSub subtitles
jtx
.jtx
Jrju text data
k2edoc
.k2edoc
Text document
kahl
.kahl
Think Pascal KAHL text data
kch
.kch
KChess notation data
kix
.kix
KiXtart script
klg
.klg
Log file
kor
.kor
Korean localization language data
la
.la
GNU Libtool library file
label
.label
Label
las
.las
LAS Log ASCII standard file format
lay
.lay
Rhino 3D layer text
ldf
.ldf
Microsoft SQL Server log
lin
.lin
Bridge Base file
linux
.linux
Linux data
linx
.linx
Bridge base data
lisp
.lisp
LISP translators file
lnc
.lnc
Football Manager player data
lo_
.lo_
Microsoft System Management Server renamed old log
log
.log
Log
lrc
.lrc
Lyrics data
lst
.lst
Ingres dump list file
lst
.lst
Microsoft PowerPoint playlist
lst
.lst
Microsoft Visual FoxPro Documenting Wizard list file
lst
.lst
Family Tree Maker error log
lst
.lst
List text
lst
.lst
IMail Server List Server mail file
lst
.lst
Adobe Type Manager font list
ltr
.ltr
Letter document
ltt
.ltt
HP Library and Tape Tools log
ltx
.ltx
S.T.A.L.K.E.R. game settings
lue
.lue
Norton LiveUpdate log
luf
.luf
Lipikar Uniform Format file
lwd
.lwd
LotusWorks text document
lxfml
.lxfml
LEGO Digital Designer XML data
lyr
.lyr
Lyrics
lyt
.lyt
TurboTax install log
man
.man
Unix text manual
manifest
.manifest
Manifest data
map
.map
Offline Explorer data
map
.map
Microsoft Visual Studio Linker map
mar
.mar
MARC 21 bibliographic data
markdown
.markdown
Markdown markup language source code
mathml
.mathml
Mathematical Markup Language document
maxfr
.maxfr
MaxView web pointer data
mcw
.mcw
MacWrite II text document
md
.md
Markdown markup language source code
mdle
.mdle
Motion Description Language Extended data
mdown
.mdown
Markdown markup language source code
mdtext
.mdtext
Markdown markup language source code
mdtxt
.mdtxt
Markdown markup language source code
mdwn
.mdwn
Markdown markup language
me
.me
Readme text
mez
.mez
RealArcade game information
mf
.mf
Metafont text font
mib
.mib
Management Information Base data
mit
.mit
MineEdit inventory template
mkd
.mkd
Markdown markup language source code
mkdn
.mkdn
Markdown markup language source file
modd
.modd
Picture Motion Browser data
mp3
.mp3
Masterpoint green points data
mpl
.mpl
MPL2 subtitles
mpsub
.mpsub
Subtitle file
mss
.mss
Manuscript text
mtx
.mtx
Microsoft Visual Studio manual test text
mtx
.mtx
Anjal Murasu tamil text file
mtxt
.mtxt
MOPEKS problem data
mw
.mw
MediaWiki structured text file
nbr
.nbr
NovaBench saved benchmark result
nclk
.nclk
HTML formatted text
new
.new
New information data
nfo
.nfo
Information readme text document
nlc
.nlc
Nero Linux compilation
nmbd
.nmbd
Samba log file
nna
.nna
NeuralWare data
nokogiri
.nokogiri
Nokogiri source data
not
.not
Notation or note
notes
.notes
Memento note
now
.now
Text file
npdt
.npdt
Mac text file
nt
.nt
Windows NT command script
nvgp
.nvgp
Girlvanic Studios URL address
nwctxt
.nwctxt
NoteWorthy Composer text
ocr
.ocr
FaxGrapper FAX transcribed text
odc
.odc
Microsoft Office database connection data
oh
.oh
DrillAssistant list
ojp
.ojp
3WayPack data
omn
.omn
Omnipotent collection data
oogl
.oogl
Geomview Object Oriented Graphics Library
oot
.oot
Apache OpenOffice (OpneOffice.org) text document
opc
.opc
Microsoft Office 97 upgrade control data
openbsd
.openbsd
OpenBSD readme document
opml
.opml
OPML Outline Processor Markup Language file format
org
.org
GNU Emacs org-mode text document
ort
.ort
IBM Lotus Quickr Rich Text Editor document
osi
.osi
SunNet OSI description
osn
.osn
Open Symbolic Notation data
p3x
.p3x
HTML document
pac
.pac
Polistream video subtitle data
panic
.panic
Apple Mac OS X Console panic report
pbd
.pbd
Epicentric Portal server module Java bean
pc5
.pc5
Rockwell Software Logix 5 internal data
pcc
.pcc
Photocomposition codes
pcl
.pcl
HP vector graphics
pd
.pd
Pure Data patchfile
pdu
.pdu
Protocol data unit message
pfs
.pfs
pfs:Write text
pgw
.pgw
Map data
phr
.phr
Adobe RoboHelp phrase
pjs
.pjs
Phoenix Japanimation Society subtitle
pl
.pl
Perl script language source code
pla
.pla
iriver iQuickList playlist file
plf
.plf
SalesLogix pick list text
plist
.plist
Apple property XML list
plk
.plk
COREX part-of-speech tag
pln
.pln
Microsoft Flight Simulator flight plan
pml
.pml
Microsoft Windows NT performance monitor log file
pmo
.pmo
Pegasus Mail saved message
pod
.pod
Perl POD-formated text
prc
.prc
Palm OS resource or e-book
prn
.prn
Lotus 1-2-3 formatted text
pro
.pro
COREX prosodic annotation
prr
.prr
Accent OFFICE Password Recovery file
psb
.psb
PowerDivX subtitles file
pt3
.pt3
Protext formatted text data file
pvj
.pvj
ProofVision job ticket file
pvw
.pvw
Portfolio saved view
q&a
.q&a
Questions and answers document
qdt
.qdt
QuarkXpress auxiliary dictionary file
qud
.qud
QuarkXpress auxiliary dictionary file
rbdf
.rbdf
Reading for the Blind and Dyslexic audio book with text file
rdf
.rdf
Resource Description Framework data
rea
.rea
readme text file
readme
.readme
README text document
reg
.reg
Windows registry data
rel
.rel
Norton Internet Security 2001 log
report
.report
Report
resp
.resp
Microsoft Windows report log
rest
.rest
reStructuredText data
rff
.rff
Roproc Format
ris
.ris
Research Information Systems citation
rml
.rml
Redline Markup Language source
rst
.rst
reStructuredText data
rt
.rt
Rich Text document
rtf
.rtf
Rich Text Format document
rtl
.rtl
Text file
rtx
.rtx
Rich Text document
ru
.ru
Russian text or localization file
rus
.rus
Russian text or localization data
rzk
.rzk
File Crypt password data
rzn
.rzn
Red Zion E-book notes
s19
.s19
Motorola EEPROM programming data
s2k
.s2k
Sasami2K Subtitle file
s2s
.s2s
SRT2SUP native subtitle format
sami
.sami
Synchronized Accessible Media Interchange file format
sbv
.sbv
YouTube captions data
sct
.sct
Lotus Notes screen capture text file
sdnf
.sdnf
Steel Detailing Neutral File Format
sen
.sen
SenTest test results
seq
.seq
Commodore text
set
.set
3WayPack data
sfb
.sfb
Sony Playstation 3 game disc description data
sgp
.sgp
Sitestepper file
sha1
.sha1
SHA-1 text hash
sha512
.sha512
SHA512 hash
sk
.sk
Slovak language translation
skcard
.skcard
Borland Sidekick contact
skv
.skv
Semicolon separated values file
smali
.smali
Google Android Smali Assembly Language developer data
smf
.smf
System Monitor session
smi
.smi
Microsoft SAMI subtitles
sms
.sms
Sony Ericsson exported SMS file
snw
.snw
Sweave source data
soap
.soap
Simple Object Access Protocol Message (SOAP) message
soundscript
.soundscript
Rigs of Rods sound script description
spa
.spa
Spanish localization language
spec
.spec
Specification data
spg
.spg
MOIRA text file
spn
.spn
Spanish readme data
spx
.spx
Apple System Profiler computer information data
srt
.srt
SubRip video subtitle format
srt
.srt
WebSRT movie subtitle file format
srx
.srx
SPARQL Query Results XML format result
ssa
.ssa
SubStation Alpha subtitle data
ssf
.ssf
Subtitles
st1
.st1
DigiTitle Master subtitle
stq
.stq
StatSoft Statistica text
strings
.strings
Apple Mac strings
sub
.sub
Video subtitles
syn
.syn
COREX syntactic annotations
t
.t
Microsoft Windows Notepad text
t2t
.t2t
Txt2tags text document file
tab
.tab
Guitar tablature
tab
.tab
Tab separated value
tbd
.tbd
Dansk System Industr text
tbl
.tbl
Table data
tce
.tce
TLE File Format
tcm
.tcm
INMOS Transputer Development System Occam comment text
tdf
.tdf
Project Pluto Guide text definition data
tdump
.tdump
JIRA thread dump
ted
.ted
DVICO Tvix log
text
.text
Markdown markup language file
text
.text
Simple text file
text
.text
yBook text
textclipping
.textclipping
Mac Text clipping file (after Mac OS 9)
textile
.textile
Eclipse IDE WikiText document
tfw
.tfw
ArcView world data
tgf
.tgf
Trival Graph Format
thp
.thp
TurboTax text string file
tlb
.tlb
VAX text library
tle
.tle
TLE File Format file
tlx
.tlx
Technics Sx KN 6000 keyboard text lyrics
tlx
.tlx
Wintertree spell-checking dictionaries
tm
.tm
TeXmacs document
tmprtf
.tmprtf
TimeMap portable file format
tmx
.tmx
Translation memory eXchange data
tnef
.tnef
Transport neutral encapsulation format file
tph
.tph
Turbo Pascal help data
tpl
.tpl
TNTedit text template
trn
.trn
STN Express transcript text
trt
.trt
DLocalizer translations file
tsv
.tsv
Tab Separated Values
tt
.tt
Microsoft Visual Studio text template
ttbl
.ttbl
TTPlayer play list
tte
.tte
TextTransformer remodeled text
ttf
.ttf
Quartus II tabular text
ttpl
.ttpl
TTPlayer play list
ttxt
.ttxt
Apple SimpleText data
tx?
.tx?
LoseThos text document
tx8
.tx8
8-bit DOS ASCII text
txa
.txa
Midas ViewPoint text array list
txa
.txa
Clarion exported to text format
txd
.txd
Clarion for Windows application code in text format
txe
.txe
Enriched text file
txh
.txh
Light markup language text file
txk
.txk
Karaoke song lyrics
txt
.txt
Simple plain text file
txt
.txt
Ascii text parameter description data
txt
.txt
Subtitles
u3i
.u3i
U3 application information file
uax
.uax
Unified Application eXchange format
uhtml
.uhtml
uHTML document
uk
.uk
English (British) language translation
unauth
.unauth
SiteMinder unauthorized message
uni
.uni
Unicode text
unx
.unx
Unix readme document
us
.us
English language translation file
user
.user
Microsoft Visual Studio project user options
usf
.usf
Core Media Player XML universal subtitle format
usg
.usg
PC-Doctor for Windows data
utf8
.utf8
Unicode UTF-8 encoded text
utx
.utx
Unicode file
utxt
.utxt
Unicode text
v2t
.v2t
Voyage200 text
vcf
.vcf
Variant Call Format
ver
.ver
Version description
vers
.vers
Version description data
vet
.vet
Ventrilo event text
vfk
.vfk
Czech Cadastral Exchange Data Format
vhd
.vhd
Quartus II VHDL design data
vhdl
.vhdl
Quartus II VHDL design
vis
.vis
VISkompakt objects description
vkp
.vkp
Sony Ericsson firmware patch
vmg
.vmg
Nokia saved text message
vna
.vna
NetDraw data
vsmproj
.vsmproj
Microsoft Visual Studio unicode based macro project
vtt
.vtt
WebVTT subtitle format