JLS-JPEG-ls-image-format
JMA-Super-Nintendo-NSRT-Compressed-Game-Nintendo
JMD-Paint-Shop-Pro-Image-Map-Settings-Corel-Corporation
JMF-Java-Multimedia-File
JMF-Java-Multimedia-File-Sun
JMG-Laservision-projection-graphics-file
JMH-JPEG-File-Interchange-Format
JMH-JPEG-File-Interchange-Format-Bitmap-graphics
JMK-Code-Crusader-Build-Script-New-Planet-Software
JMM-Digital-Camera-Video-Clip-JVC
JMP-Discovery-chart-to-statistics-SAS-JMP
JMS-Music-format-JMusic-file-UltraForce
JMS-SpamProx-blocking-list
JMS-UltraForce-music-format
JMS-Voxtron-TeleButler-interactive-voice-response-call-flow
JN1-Jill-of-the-Jungle-data-Epic-MegaGames
JNB-Workbook-file-Sigma-Plot-5
JNC-Communication-log-file
JNG-JPEG-Network-Graphic
JNG-JPEG-Network-Graphic-Bitmap
JNG-JPEG-Network-Graphics-bitmap-Header
JNK-Junk
JNK-Junk-temporary-file
JNL-CVS-journal-file
JNL-Ingres-Journal-File
JNL-ISC-BIND-Journal-File-Internet-Systems-Consortium
JNL-Journal-Macro-data-file
JNLP-Java-Web-Start-File
JNLP-Java-Web-Start-Sun-Microsystems-Inc
JNL-WinDev-log-file
JNT-Microsoft-Windows-Journal-notes
JOBOPTIONS-Acrobat-Distiller-Job-Options-Header
JOBOPTIONS-Acrobat-Job-Options-File
JOBOPTIONS-Adobe-Joboptions-File
JOBS-VirtualDub-Job-Control-File-Avery-Lee
JOB-Vector-graphics-file-created-by-conversion-of-a-IMG-file-QuestVision
JOC-Context4-dos-word-processor-file
JOCL-Java-Object-Configuration-Language
JOD-Microsoft-Jet-OLEDB-4-0
JOD-MS-Jet-OLEDB-4-0-Related-File
JO-FlowJo-MAC-workspace-file
JOINED-HJ-Split-Data-File
JOINED-HJSplit-Default-Joined-File-Freebyte-com
JOI-XBoard-Join-conferences-file
JO-JesperOlsen-audio-file
JOML-JOOB-Object-Modelling-Language-file
JOMPROJ-Microsoft-Visual-Studio-JOOB-object-model-project-file
JOR-Journal-Microsoft-SQL-Server
JOT3-Jot-Notes-data-file
JOT-JDesignerPro-File
TechTarget file types