JSM-Steamboat-Software-Jig-ShapeMap
JSOBJ-Opera-file
JSO-Compressed-ISO-image
JSON-Firefox-Bookmark-Backup-Mozilla
JSON-Google-Gears-manifest-file
JSON-JavaScript-Object-Notation
JSON-JavaScript-Object-Notation-File
JSON-Mozilla-Firefox-bookmark-backup-file
JSP10-Java-Server-Page-Sun
JSP-A-HTML-page-containing-a-reference-to-a-Java-servlet
JSPA-Java-Servlet-Alias
JSPF-JSP-Page-Fragment-Sun
JSPX-XML-Java-Server-Page
JSRC-Jabaco-Source-Code-Programming-Language-Jabaco
JSS-Gray-Design-Associates-Jigsaws-Galore-Saved-Game-Jigsaw-File
JSS-JAWS-for-Windows-Script-Source-File-Freedom-Scientific
JSS-JugWin-Jigsaw
JSS-JugWin-Jigsaw-file
JST-Code-Crusader-Symbol-Database-New-Planet-Software
JST-Java-Server-page
JST-Jnes-saved-game-state-file
JSV-HyperRail-3D-Coaster-Design-Construction-File
JSV-Japanese-Flash-Card-File
JSV-Java-Structure-Viewer-file
JSV-JXML-JavaServer-page
JSW-WML-JavaServer-Page
JSX-Adobe-After-Effects-script-file
JSX-After-Effects-Script-File-Adobe-Systems-Incorporated
JSXBIN-Binary-JavaScript-file
JSX-ExtendScript-Script-File
JSXINC-Adobe-JavaScript-file
JTD-Ichitaro-document-file
JTD-Ichitaro-Document-Justsystem-Corporation
JTF-Bitmap-graphic-JPEG-Tagged-Interchange-Format
JTF-Fax-document-Hayes-JT-Fax
JTF-JPEG-bitmap
JTIF-JPEG-Tagged-Interchange-Format-Bitmap-graphics
JTIF-JPEG-Tagged-Interchange-Format-Image
JTK-Java-ToolKit-file-Sun-Microsystems
JTL-JTool-Data-File-Behavioral-Health-Quality
JT-Open-CAD-file
JTP-Windows-Journal-templates
JTR-Jelbert-GeoTagger-Location-Database-Jelbert-Consulting
JTS-Cyberlink-AVCHD-Video-File
JUL-Inteliweb-Program-Registration-and-Validation-InVision-Marketing-Inc-Inteliweb-net
J-Unknown-or-unassigned-file-extension
JUP-Code-Crusader-User-Specific-Project-Preferences-New-Planet-Software
JURL-JustUrls-Button-File-Eastern-Digital-Pty-Ltd
JUT-Jutvision-Jutvision-Scene
JUT-Jutvision-Scene
TechTarget file types