file extension Windows/OS2/Apple/Unix/Dos

File ExtensionsWindows/OS2/Apple/UNIX

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J = Image JPEG / JFIF
J = JAR archiv , ARJ Software
J1 = EDIT Compiler JEDEC Boundary file
J62 = Ricoh camera file
J6I = Ricoh Digital Camera image format
JA = IBM tools updater file
JAD = Java Application Descriptor file
JAD = Mime: text/vnd.sun.j2me.app-descriptor
JAM = E-mail
JAM = FTN software : Jam messagebase
JAM = Image Microprose
JAM = JamTracker module : Music
JAM = Joaquim-Andrew-Mats Message Base Proposal
JAM = Mime: audio/x-jam
JAM = Misc
JAP = Fifa World Cup game data fe art Legalscr file
JAR = compressed file package for classes and data : Java Archive
JAR = JAR archive from ARJ
JAR = Mime: application/java-archive
JAR = Mime: application/x-java-archive
JAS = JASC JAS Compressed : Bitmap graphics
JASC = JAS Compressed : Graphics
JAU = Jauge
JAV = Internet Program: JAVA MS Visual J++ Source Code
JAV = Java language source code file
JAV = Mime: text/plain
JAV = Mime: text/x-java-source
java = (MAC FILE_TYPE) Java
JAVA = (MAC FILE_TYPE) Java
JAVA = Java language source code file
JAVA = Mime: text/plain
JAVA = Mime: text/x-java-source
JAX = System Dll file
JBC = BestCrypt File
JBC = Jam Byte-Code Hex File (8051 Microprocessor File)
JBD = SigmaScan : Datafile
JBF = Paint Shop Pro : Image browser file (Jasc Browser File)
JBG = Image JBIG 1-bit raster
JBIG = 1-bit raster image graphics : Joint Bi-level Image experts Group file
JBK = Juno Backup File
JBL = Add-on : DOOM scene
JBR = Paintshoppro Brushes file
JBX = Project Scheduler 4 : Project file
JC = Watcom src file
JC! = FlashGet File
JCAMP = Misc
JCD = FlashGet File
JCF = JAWS config file
JCK = Liquid Motion JACK Scene Description
JCL = Job Control Language IBM
JCM = Java Commerce Message
JCM = Mime: application/x-java-commerce
JCS = Flashget script html table
JCS = Latest Bruker WinSpecEdit v3.08 JCAMP
JDA = Winphone fax send journal
JDB = Winphone fax receive journal
JDE = Cariverona
JDF = JAWS file voice synth
JDF = Turok 2 Game File
JDX = JCAMP Chemical Spectroscopic Data Exchange Format
JDX = Latest Bruker WinSpecEdit v3.08 JCAMP
JDX = Mime: chemical/x-jcamp-dx
JED = JEDEC programming specification
JEF = Janome NH10000 Sewing Machine File
JET = Hybrid JetFax : Fax
JFD = JAWS synopsis file
JFF = JAWS ini file
JFF = JPEG Image
JFI = JPEG File Interchange Format : Bitmap graphics
JFIF = JPEG File Interchange Format : Bitmap graphics
JFIF = Mime: image/jpeg
JFIF = Mime: image/pjpeg
JFIF-TBNL = Mime: image/jpeg
JFX = J2 Fax File
JGD = Paint Shop Pro Gradients file
JGF = JAWS ini file
JHS = UTIL file
JHTML = HTML-page
JIC = DLL tbv
JIF = Jeff's Image Format image format
JIF = JPEG Image
JIG = Puzzle Jigsawit
jigz = (MAC FILE_TYPE) Jigsaw Puzzl
JIS = Japanese code conversion program for text or
JIS = Japanese Industry Standard text
JJ = Doodle C64 Compressed image format
JJC = Midiprg Canvas compressed file
JJJS = (MAC FILE_TYPE) Claris Organizer File
JKL = Jedi Knight
JKM = JAWS ini
JKS = Jedi Knight backup
JLA = BMP image (VisualPro)
JLS = JAWS file
JLS = JPEG-ls image format
JMAN = Illum src irohaserver file
JMF = Java Multimedia File
JMH = JPEG File Interchange Format : Bitmap graphics
JMP = SAS JMP : Discovery chart-to-statistics
JMS = UltraForce : Music format JMPlayer (JMusic file)
JMS = Voxtron TeleButler : Interactive Voice Response call flow(graph)
JN1 = Epic MegaGames Jill of the Jungle : Game data
JNB = Sigma Plot 5 : Workbook file
JNC = communication log file
JNG = JPEG Network Graphic
JNK = Junk: temporary file
JNL = Ingres Journal File
JNL = WinDev log file
JNLP = JNLPFile open with: "%ProgramFiles%\Java\jre1.6.0_06\bin\javaws.exe" "%1" Content Type application/x-java-jnlp-file
JNLP = JNLPFile open with: "%ProgramFiles%\Java\jre6\bin\javaws.exe" "%1" Content Type application/x-java-jnlp-file
JNLP = JNLPFile open with: "%Root%\Tools\Java\jre6\bin\javaws.exe" "%1" Content Type application/x-java-jnlp-file
JNT = jntfile open with: "%ProgramFiles%\Windows Journal\Journal.exe" "%1"
JOB = AI Research File
JOB = File Invesigator Script Commands
JOB = Job file PRG: BETA 44
JOB = MS Scheduler Job file
JOB = QuestVision : Vector graphics img file
JOC = Context4 dos word processor file
JOD = Microsoft Jet OLEDB.4.0
JOI = XBoard : Join conferences file
JOR = Gupta SQLWindows : Journal file
JOU = VAX Edt editor : Journal file
JOY = joystick calibration file
JOY = Sound
JP2 = JPEG-2000 JP2 File Format image format
jp2_ = (MAC FILE TYPE) JPEG 2 file
jp2_ = (MAC FILE TYPE) JPEG 2 File by QT (PC ext: JPG)
JPC = Japan Picture format : Bitmap graphic
JPC = JPEG-2000 Code Stream image format
JPE = JPEG Image
JPE = Mime: image/jpeg
JPE = Mime: image/pjpeg
JPEG = (MAC FILE TYPE) JPEG file
JPEG = (MAC FILE_TYPE) JPEG Imageanizer Fileijpg
JPEG = JPEG Image
JPEG = Mime: image/jpeg
JPEG = Mime: image/pjpeg
JPG = JPEG Image
JPG = Mime: image/jpeg
JPG = Mime: image/pjpeg
JPG;.PNG = Image.Document open with: %Root%\mfc_2005\COMMAN~1\DIRECT~1\lib\image\IMG2SH~1.1\IMG2SH~1.1\Release\IMAGE2~1.EXE "%1"
JPG_T = Jpg images file
JPN = Photomodeler Lite file
JPR = Javasockets file
JPS = Mime: image/x-jps
JPS = Stereo Image image format
JRC = JRchive : Compressed file archive
JS = JACOsub : Script
JS = JavaScript language source code
JS = Mime: application/x-javascript
JS = Mime: application/x-ns-proxy-autoconfig
JSB = Henter-Joyce, Inc. Jaws Script Binary File
JSD = eFAX : Jet Suite document
JSD = Henter-Joyce, Inc. Jaws Script Documentation File
JSE = JScript Encoded Script File
JSH = Henter-Joyce, Inc. Jaws Script Header File (Screen reader program)
JSL = PaintShop Pro File
JSM = Henter-Joyce, Inc. Jaws Script Message File
JSM = JugWin : Jigsaw file
JSP = A HTML page containing a reference to a Java servlet
JSS = Henter-Joyce, Inc. Jaws Script Source File (Screen reader program)
JSS = JugWin : Jigsaw file
JSX = JSXFile open with: "%ProgramFiles%\Adobe\Adobe Utilities\ExtendScript Toolkit 2\ExtendScript Toolkit 2.exe" -run "%1" PerceivedType text PerceivedType text Content Type text/plain
JSX = JSXFile open with: "%ProgramFiles%\Adobe\Adobe Utilities\ExtendScript Toolkit\ExtendScript Toolkit.exe" -run "%1" Perceived Type text Content Type text/plain
JSXBIN = JSXBINFile special configuration file for application(binary format) PerceivedType text PerceivedType text Content Type text/plain
JT = JT Fax Hayes comp.
JTF = Hayes JT Fax : Fax
JTF = JPEG Tagged Interchange Format Image
JTF = TIFF 6.0 bitmap image JPEG compression
JTIF = JPEG Tagged Interchange Format : Bitmap graphics
JTK = Sun Microsystems : Java ToolKit file
JTP = JetForm File
JTX = XPSViewer.Document special configuration file for application(binary format) Content Type application/x-jtx+xps
JTX = XPSViewer.Document special configuration file for application(binary format) Perceived Type text Content Type application/x-jtx+xps
JTX = XPSViewer.Document special configuration file for application(binary format) PerceivedType text PerceivedType text Content Type application/x-jtx+xps
JUT = Jutvision : Jutvision Scene
JUT = Mime: image/jutvision
JVS = Mime: application/x-ns-proxy-autoconfig
JVWR = (MAC FILE_TYPE) GIF Image
JVWR = (MAC FILE_TYPE) JPEGView
JW = JustWrite : Text document
JW = Legacy version 1.1
JW = MS Wordpad
JW = Q & A write for windows 3.0
JW = Works for windows v3.0 & 4.0
JWC = Mime: application/jwc
JWL = Jewel Case Creator CD disc case labeler
JWL = JustWrite Library
JWrP = (MAC FILE TYPE) JoliWrite
JWrt = (MAC CREATOR CODE) JoliWrite
JZZ = Jazz Spreadsheet

Search: Use ctrl-F to search for item

Universal dump-utility for non-destructive dump/list/search string etc
dump.zip


Select Extension by starting letter:

A- B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U -

V- W - X - Y - Z - OTHER - Allowed chars in Filenames - what is an extension?

 

If you find an extension missing, write! No guarantee given for completeness or correctness. If you feel an extension is outdated, write!
Authors and retailers: it is in the interest of us all and our customers to avoid the double use of extensions! Please help us keep this compilation up todate!
Send extension data to: update@file-ext.4uj.org
Any questions for not listed extensions or "what program opens xxx": search@file-ext.4uj.org
Any other questions, remarks, praise, flaming or reproach: info@file-ext.4uj.org
Compilation Copyright (c) 2002 R.Bitsch, Compilation Copyright (c) 2009,2010 R.Cooper-Bitsch