The top file extensions Windows site

file extension Windows/OS2/Apple/Unix/Dos

File Extensions Windows/OS2/Apple/UNIX

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OTHER - Allowed chars in file names - what is an extension?
Links - Converters - Multimedia Converters
graphical file formats - Potentially harmful extensions
internals - contributors

Search: Use ctrl-F to search for item
Viewer for images/pictures: See Multimedia/XnView
Player for sound/music: See Multimedia/2pat20
Universal dump utility for non-destructive dump/list/string search etcdump.zip

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

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_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

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

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
Viewer for images/pictures: See Multimedia/XnView
Player for sound/music: See Multimedia/2pat20
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?

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