File Extension Types that start with 'J'
JAR - Java ArchiveJBF - Paint Shop Pro Browser Cache / Backup Now Backed Up
JBK - Juno Backup Files
JNLP - Java Network Launching Protocol
JP2 - JPEG 2000 Core Image
JSP - Java Server Page
J - JAR Compressed
J - Java Source Code
J - JPEG / JFIF Image
J1 - EDIT Compiler JEDEC Boundary
J2A - Jazz Jackrabbit 2 Animation Library
J2B - Jazz Jackrabbit 2 Music
J2D - Jazz Jackrabbit Data
J2E - Jazz Jackrabbit 2 Episode
J2G - J2 Fax
J2H - Jazz Jackrabbit 2 High Scores
J2I - Jazz Jackrabbit 2 Internet Server Link
J2K - JPEG - 2000 JP2
J2L - Jaxx Creation Station Level
J2M - Jazz Jackrabbit 2 Recorded Macro
J2S - Jazz Jackrabbit 2 Language Data
J2T - Jazz Jackrabbit 2 Tile Set
J2V - Jazz Jackrabbit 2 Cinematic
J62 - Ricoh Digital Camera
J6I - Ricoh Digital Camera
J92 - Javelin Configuration
JA - IBM Tools Updater
JACKET - Unknown Apple II
JAD - Java Application Descriptor
JAG - Jaguar Server
JAIL - Unknown Apple II
JAM - E - mail
JAM - FTN Software Jam Messagebase
JAM - Image Microprose
JAM - JamTracker Music Module
JAM - Joaquim - Andrew-Mats Message Base Proposal
JAM - Unknown Apple II
JAM2 - Unknown Apple II
JAN93 - Unknown Apple II
JAP - Fifa World Cup Game Data fe Art Legalscr
JAP - JAlbum Project
JAP - Unknown Apple II
JAPAN - Unknown Apple II
JARRE - Unknown Apple II
JAS - Paint Shop Pro Compressed Graphic
JASC - JAS Compressed Graphic
JAV - Java Source Code
JAVA - Java Source Code
JAW - IchiTaro Web Japanese Extended WordProcessor
JB2 - JBIG2 Bitmap Graphic
JBC - BestCrypt Container
JBC - Jam Byte - Codec
JBD - SigmaScan Data
JBG - JBIG
JBIG - JBIG
JBIG2 - JBIG2 Bitmap Graphic
JBL - Doom Scene Add - in
JBP - DJ Jukebox Project
JBR - Paint Shop Pro Brush
JBS - DesignArt
JBX - Project Scheduler
JC - FlashGet Intermediate Download
JC - Watcom Source
JC! - FlashGet
JCAMP - Misc
JCB - CB - JCBrooke Song / Module
JCC - Code Crusader Project Data
JCC - Japan Crossword Dmitry Torshin Format
JCD - FlashGet Download Database
JCE - JWPce
JCK - Liquid Motion JACK Scene Description
JCL - Job Control Language IBM
JCM - Java Commerce Message Commerce Message (Wallet)
JCP - Jesusonic Preset
JCS - Flashget Script HTML Table
JCS - Latest Bruker WinSpecEdit v3.08 JCAMP
JCV - Baseball / Golf Analyzer
JD - Jigsaw Terminal
JDA - Winphone Fax Send Journal
JDB - Siren Jukebox
JDB - Winphone Fax Receive Journal
JDE - Cariverona
JDT - Capture Classic Filler
JDX - EDICT Index
JDX - J Database Exchange (JDX) O / R Mapping Specification
JDX - JCAMP Chemical Spectroscopic Data Exchange Format
JDX - JSpell UNICODE Dictionary
JEF - Janome NH10000 Sewing Machine Stitch
JEQ - Jet Audio Saved Equalizer Setting
JET - Hybrid JetFax Fax
JET - Jetpack User - created Level Map
JFG - jEEPers User Specific Information
JFI - JPEG / JIFF Image
JFIF - JPEG / JIFF Image
JFM - Capture Classic
JFX - J2 Fax
JG6 - BigJig Jigsaw
JGCSCS - EditPad Pro Custom Coloring Scheme
JGD - Paint Shop Pro Gradient
JGL - QWS3270 PLUS Session Layout
JGP - QWS3270 PLUS Session Parameter
JGS - QWS3270 PLUS Script
JHTM - Dynamo Server Page
JHTML - Dynamo Server Page
JIF - Jeff's Image Format Bitmap
JIF - JPEG / JIFF Image
JIG - Jigsaw Game
JIG - Living Scenes Jigsaw Puzzles
JIGDO - Jigsaw Download Download Instruction
JIM - Unknown Apple II
JINKS - Unknown Apple II
JIS - Japanese Industrial Standard Text
JJ - C64 Doodle Compressed
JJ - JavaCC
JJC - Canvas Compressed Audio
JJF - Jester Jugglor
JKL - Jedi Knight
JKS - Jedi Knight Backup
JL - Sawfish Lisp - based Script
JLA - VisualPro BMP Image
JLAB - JLab Program Source Code
JLC - Sawfish Byte Compiled Lisp - based Script
JLF - JetLinks Bookmark Managment
JLP - JLIP Video Capture (Video Producer) Index Format Display
JMAN - Illum Source Irohaserver
JMD - Paint Shop Pro Image Map Settings
JMF - Java Multimedia
JMG - 16 Bit Adaptive RLE Compressed Bitmap
JMH - JPEG File Interchange Format
JMK - Code Crusader Build Script
JMM - Digital Camera Video Clip
JMP - SAS JMP Discovery Chart - to-Statistics
JMS - SpamProx Blocking List
JMS - UltraForce Music Format
JMS - Voxtron TeleButler Graphical Voice Response Call Flow
JMX - JMeter
JN1 - Epic MegaGames Jill of the Jungle Data
JNB - SigmaPlot Workbook
JNC - Communication Log
JNG - JPEG Network Graphic Bitmap
JNGL - Unknown Apple II
JNK - Junk
JNL - Ingres Journal
JNL - Journal Macro Data
JNL - WINDEV Log
JNT - Windows XP Tablet PC Edition Journal
JOB - AI Research
JOB - BETA 44 Job
JOB - File Invesigator Script Commands
JOB - Job
JOB - MetaCAM Nest Job
JOB - MicroSim PCBoard External ASCII Job
JOB - QuestVision Vector Graphics
JOB - Systems Management Server (SMS) Job
JOB - Tripod Data Systmes Survey Pro Job
JOB - Windows Task Scheduler Task Object
JOBS - VirtualDub Job Control
JOC - Context4 DOS Word Processor
JOD - MS.Jet.OLEDB.4.0 Related
JOI - Xboard Join Conferences
JOKE - Unknown Apple II
JONES - Unknown Apple II
JOR - Gupta SQLWindows Journal
JOR - SQL Server Journal
JOT - JDesignerPro
JOT - Jot + Notes Note Data
JOT - WinJottr Desktop Note
JOU - VAX Edt Editor Journal
JOURNAL - Unknown Apple II
JOY - Joystick Calibration
JOY - Trackjoy GUS Tracker Module
JP3 - Electric Quilt
JP4 - Electric Quilt
JP5 - Electric Quilt
JPA - JoomlaPack Joomla Installation Backup
JPC - Japan Picture Format
JPC - JPEG - 2000 Code Stream Bitmap
JPC - Jprobe Coverage Memory Snapshot
JPEGENX - egis Encrypted JPEG
JPF - Biz Plan Pro Business Plan Contents
JPG_T - JPG Image
JPGENX - egis Encrypted JPG
JPH - Jprobe Memory Debugger Memory Snapshot
JPI - Jupiter Document
JPL - Jprobe Settings
JPL - Siren Jukebox
JPM - LuraDocument.jpm Compressed PDF
JPN - Photomodeler Lite
JPOW - JPowered Java Bar Charts
JPP - Jigsaw Puzzle Player Puzzle Definition
JPP - Jprobe Profiler Memory Snapshot
JPR - Javasockets
JPR - Oracle JDeveloper Model JProject
JPS - Jigsaw Puzzle Player Puzzle Completion Status
JPS - Print Studio Graphic
JPS - Stereo Image
JPT - Jprobe Threadalyzer Memory Snapshot
JPT - Print Studio Template
JPX - JBuilder Project
JPX - JPEG - 2000 JP2
JQX - Windows Help Related
JR - Unknown Apple II
JR2 - FishSim Add - on
JRC - Jrchive Compressed Archive
JRF - The Jumbot Bot Level Navigation
JRF - winIDEA Workspace (Programming Project File)
JRL - BioWare Aurora Engine Journal
JRL - Top Secret Crypto Gold Top Secret Journal
JRP - Electric Quilt
JS - JACOsub Script
JS - JavaScript Source Code
JS - JetScript Output
JS - Mozilla (Netscape) Settings
JSCRIPT - GoLive JavaScript
JSDB - JumpStart Database
JSE - Fichier Encoded Javascript
JSE - JScript Encoded Script
JSF - Jahshaka Scene
JSF - Macromedia Fireworks Batch Script
JSL - Paint Shop Pro Shapes
JSL - Visual J# Code
JSP10 - Java Server Page
JSPA - WebWork Framework JSP Action
JSPF - JSP Page Fragment
JST - Code Crusader Symbol Database
JST - Jnes Saved Game State
JSV - HyperRail 3D Coaster Design Construction
JSV - Japanese Flash Card
JSV - Java Structure Viewer
JSV - VXML JavaServer Page
JSW - WML JavaServer Page
JT - JT Fax
JTF - Hayes JT Fax
JTF - JPEG Tagged Interchange Format Image
JTIF - JPEG Tagged Interchange Format Image
JTK - Java ToolKit
JTL - JTool Data
JTP - JetForm
JTP - Windows XP Tablet PC Edition Journal
JTR - Jelbert GeoTagger Location Database
JUDI - JudoScript Source Code
JUDO - JudoScript Source Code
JUL - Inteliweb Program Registration and Validation
JUL - Unknown Apple II
JUMP - Unknown Apple II
JUMP1 - Unknown Apple II
JUN14 - Unknown Apple II
JUP - Code Crusader User - Specific Project Preferences
JUST - Unknown Apple II
JUT - Jutvision Scene
JVC - Digital Camera
JVS - Jpeg Video Sequencer Sequenced JPEG Images
JW - Jigsaw Terminal
JW - Justwrite Text
JW - Legacy Version 1.1
JW - MS Wordpad, Works for windows v3.0 & 4.0
JW - Q & A Write for Windows 3.0
JWC - JewelCase Maker Saved
JWR - LegaSuite GUI J Walk Runtime
JWS - WebLogic Workshop Java Web Services
JXDM - Multi - Channel Server (MCS) Markup Editor Java Server Page with XDIME Markup / Java Code
JXX - C++ Header
JZZ - Jazz Spreadsheet
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