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Alphabetical list - J

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    File extensions starting with J

    J Java Source Code
    J2B Jazz Jackrabbit 2 Music
    J2C JPEG2000 Image Format
    J2D Jazz Jackrabbit Data
    J2E Jazz Jackrabbit 2 Episode
    J2I Jazz Jackrabbit 2 Internet Server Link Format
    J2K JPEG2000 Code Stream Image
    J2L Jazz Jackrabbit 2 Level Format
    J2SI Jazz Jackrabbit 2 Internet Server Link
    J2W ArcExplorer World
    J3O JMonkeyEngine 3D Scene
    J6I Ricoh Digital Camera Image
    JA Jet Archive
    JAC JaStaCry Encrypted Format
    JACL IBM WebSphere Server Script
    JAD Java Application Descriptor Format
    JADE Jade Programming Language Source Code
    JAG Jagex Data Format
    JAI Jaikoz Settings
    JAM Leisure Suit Larry Magna Cum Laude Archive Format
    JAN Janome Digitizer Embroidery Object
    JAP Japanese Nintendo 64 Game ROM
    JAR Compressed Archive Format Package For Java Classes And Data Format
    JAR.PACK Oracle Pack200 Packed JAR Format
    JARDESC Eclipse JAR Settings
    JARVIS Jarvis Subscriber Format
    JAS Corel PaintShop Photo Pro Bitmap Graphics Format
    JASPER JasperReports Data Format
    JAV Java Language Source Code Format
    JAVA Java Language Source Code Format
    JAVAJET Eclipse JET Java Template
    JAX Java Executable JAR
    JB2 JBIG2 Image Format
    JBC Jam STAPL Byte-Code Format
    JBF Corel PaintShop Photo Pro Image Browser Format
    JBG Image JBIG 1-bit Raster
    JBI Motoman Robot Job Format
    JBIG JBIG Raster Image Graphics
    JBIG2 JBIG2
    JBK Juno Backup Format
    JBL Doom Scene Add-on
    JBMP JAmes OS Bitmap Image
    JBR Corel PaintShop Photo Pro Brushes Format
    JBT JAWS
    JC FlashGet Partial Download Format
    JC! FlashGet Incomplete Download Format
    JCC Code Crusader Project Data
    JCCFG3 FlashGet Incomplete Download
    JCD FlashGet Saved
    JCF JAWS Configuration
    JCLIC JClic Project Format
    JCM Java Commerce Message
    JCP Jesusonic Preset Format
    JCRYPT JCRYPT Encrypted Format
    JCS Java Control Source
    JCSK JetCast Skin
    JCT JCT
    JCZ Microsoft Liquid Motion Animation Format
    JDB Norton Antivirus Definiton Update File Format
    JDC JDownloader Links Format
    JDF Adobe Acrobat Job Definition Format
    JDP BlackBerry JDE
    JDW BlackBerry JDE
    JDX JSpell Dictionary
    JEB PENSIM Output
    JED Xilinx Integrated Software Environment Device Configuration Information Format
    JEF Janome Embroidery Layout Format
    JETINC Eclipse IDE Template Fragment
    JEWELQUESTSAVEDGAME Jewel Quest Saved Game
    JFD JAWS Synopsis
    JFF JAWS Ini
    JFFS2 Journalling Flash File System 2 Disk Image
    JFI JPEG File Interchange Format
    JFIF JPEG Interchange Format
    JFL SigmaPlot
    JFR WJVN Fragment
    JFS Linux/Unix Journaling System
    JFX J2 Fax
    JG4 BigJig Jigsaw Puzzle Format
    JGCSCS EditPad Syntax Scheme
    JGD Corel PaintShop Photo Pro Gradients
    JGF JAWS Ini
    JGP QWS3270 PLUS Session Parameter
    JGS QWS3270 PLUS Script
    JGW JPEG World Format
    JGZ Gzipped JavaScript Format
    JHM Java Help Mapping
    JHTML ATG Dynamo Server Page (Java HTML)
    JIA Digital Photo Navigator Album
    JIC Java Icon Format
    JIF JPEG Interchange Format
    JIFF JPG Bitmap Image
    JIG GameHouse Puzzle Jigsaw Game
    JIGSAW Jigsaw Explorer Puzzle Format
    JIGZ Jiggsaw Puzzle
    JIS Japanese Industry Standard Text Format
    JISP Tkabber Emoticon Set
    JIT Aika Online Texture
    JJ Doodle C64 Compressed Image Format
    JJF Flash Jester Jugglor
    JJJS Claris Organizer Format
    JKB Quake 3 Arena Bot AI
    JKL Jedi Knight
    JKM JAWS Ini Configuration Format
    JKS Jedi Knight Save
    JL Julia Source Code Format
    JLB PAC Mate BX Keyboard Driver
    JLC Byte Compiled Lisp-based Script
    JLS JAWS
    JMA NSRT Compressed Game
    JMD Corel PaintShop Pro Image Map Settings
    JMF Java Media Framework
    JML Java Modeling Language Specification
    JMP SAS JMP Discovery Chart-to-statistics
    JMS Voxtron TeleButler Interactive Voice Response Call Flow
    JMV Jnes Record Format
    JMX Apache JMeter
    JNB SigmaPlot Workbook
    JNG JPEG Network Graphic Format
    JNILIB Mac OS X Java JNI Library Format
    JNL Ingres Journal
    JNLP Java Network Launching Protocol Format
    JNT Microsoft Windows Journal Note Format
    JNX Garmin Raster Map
    JO Jo Audio Format
    JO-7Z Jo Audio Format
    JOB Microsoft Windows Task Scheduler Task Object Format
    JOBOPTIONS Adobe Acrobat Job Options Format
    JOBS VirtualDub Job
    JOD Microsoft Jet OLEDB.4.0
    JOE .joe Editor Document Format
    JOINED HJSplit Data Format
    JOML JOOB Object Modelling Language
    JOMPROJ Microsoft Visual Studio JOOB Object Model Project
    JOR Microsoft SQL Server Journal
    JOT Jot+ Notes Note Data
    JOURNAL.DOC SolidWorks Design Journal Template
    JOURNAL_INFO_BLOCK Apple Mac OS Xsystem
    JOY CryENGINE Facial Editor Joystick Settings Format
    JP1 Japanese (Romaji) Text Format
    JP2 JPEG 2000 Image Format (ISO 15444-1) Format
    JP3 Electric Quilt
    JP4 Electric Quilt
    JP5 Electric Quilt
    JPA Joomla Installation Backup
    JPAGE Eclipse Java Scrapbook Page
    JPB Publish Manager Report
    JPC JPEG2000 Code Stream Image Format
    JPD Joint PhotoDefiner Image Format
    JPE JPEG Bitmap Image Format
    JPEG JPEG Bitmap Image Format
    JPEGENX Egis Encrypted JPEG
    JPEG_160X120 160 X 120 Pixels JPEG Image
    JPEG_170X220 170 X 220 Pixels JPEG Image
    JPF JPEG 2000 Extended Image Format (ISO 15444-2) Format
    JPG JPEG Bitmap Image Format
    JPG2 JPEG 2000 Image Format (ISO 15444-1) Format
    JPGENX Egis Encrypted JPG
    JPGW JPEG World Format
    JPGX Egis Encrypted JPG Bitmap Image
    JPG_108X192 Android Picture
    JPG_128X128 Android Picture
    JPG_128X160 Android Picture
    JPG_128X96 Android Picture
    JPG_160X120 Android Picture
    JPG_160X128 Android Picture
    JPG_170X128 Android Picture
    JPG_170X220 Android Picture
    JPG_220X176 Android Picture
    JPG_240X320 Android Picture
    JPG_320X240 Android Picture
    JPG_320X320 Android Picture
    JPG_480X320 Android Picture
    JPG_512X512 Android Picture
    JPG_56X42 Android Picture
    JPG_T JPEG Image
    JPH JProbe Memory Snapshot Format
    JPI Jupiter Encrypted XML
    JPL JProbe Settings
    JPM JPEG 2000 Multi-layer Image Format (ISO 15444-6)
    JPN Windows Japanese Noise-Word List Format
    JPP Jigsaw Puzzle Player Puzzle Definition
    JPR Oracle JDeveloper Model Project
    JPS Stereospic JPEG Format
    JPT Jprobe Threadalyzer Memory Snapshot
    JPW ESRI JPEG World Format
    JPX JPEG 2000 Extended Image Format (ISO 15444-2) Format
    JPZ Puzzle Solver Puzzle
    JQ3SAVEGAME Jewel Quest III Saved Game
    JQX Microsoft Windows Help Related
    JRC PCjr Cartridge ROM Format
    JRF The Jumbot Bot Level Navigation
    JRL BioWare Aurora Game Engine Journal
    JRPRINT JasperReports Print Format
    JRS Extensible Storage Engine (ESE) Reserve Transaction Log Format
    JRTF JAmes OS Rich Text Format
    JRXML JasperReports Layout Format
    JRZ Sony Playstation Portable Game Data Format
    JS JavaScript Format
    JSA JRun Server Application
    JSB JAWS Script Binary
    JSC JavaScript Config
    JSD Jazer Financial Format
    JSDA Jazer Financial Format
    JSE JScript Encoded Script Format
    JSF Adobe Fireworks Batch Script
    JSFL Flash JavaScript Format
    JSH JAWS Script Header Format
    JSI JAWS Personalized Settings
    JSK JetAudio
    JSL Corel PaintShop Photo Pro Shapes
    JSM JAWS Script Message
    JSML JSim Model
    JSN Shield Now Shield
    JSO Compressed ISO Image
    JSON JavaScript Object Notation Format
    JSONP JSON-with-padding Source Code
    JSP JAVA Server Page Format
    JSPA Java Servlet Alias Format
    JSPF Java JSP Fragment
    JSPX XML Java Server Page
    JSR Job Safety Report Definition
    JSS JAWS Script Source Format
    JST Java Server Page
    JSV Java Structure Viewer
    JSX Adobe After Effects Script Format
    JSXBIN Binary JavaScript Format
    JSXINC ExtendScript Included Script Format
    JT JT Open CAD Format
    JTB JTB JavaCC Grammar
    JTBACKUP Just Type Notes Backup Format
    JTD Ichitaro Document
    JTDC Ichitaro Compressed Document
    JTF JPEG Tagged Interchange Format Image
    JTG Joint Test Action Group Configuration
    JTK Sun Microsystems Java Toolkit
    JTL JMeter Test Results
    JTP Microsoft Windows Journal Template Format
    JTPL Rational Application Developer WebContent Theme Template
    JTS JVC Cyberlink AVCHD Video Format
    JTT Ichitaro Document Template
    JTV JRiver Media Center Recorded TV Format
    JTX Jrju Text Format
    JUDE JUDE Project Format
    JVS Web Proxy Autodiscovery Protocol Format
    JVSG Video Surveillance Project
    JVT JRiver Recorded Video
    JW Microsoft WordPad
    JWC JewelCase Maker Saved
    JWG Java
    JWL Roxio Jewel Case Format
    JWR LegaSuite GUI J Walk Runtime
    JWS Oracle WebLogic Server Java Web Services Format
    JXR JPEG XR Image
    JZ JamesZhu Internet Browser Database