List of file formats beginning with J

• .JAR - Java archive file
• .JAS - Graphics
• .JAV - Java source code file
• .JBC - Jam Byte-Code Hex file; BestCrypt File
• .JBD - Datafile (SigmaScan)
• .JBF - Paint Shop Pro browser file (Now, Corel Paint Shop)
• .JBK - Juno Backup file
• .JBR - Jasc Paint Shop Pro Brush (Now, Corel Paint Shop)
• .JBX - Project file (Project Scheduler 4)
• .JDT - Accelio Capture Classic Filler
• .JEF - Janome NH10000 Sewing Machine file
• .JET - Fax (Hybrid JetFax)
• .JFF - Bitmap graphics (JPEG File Interchange Format)
• .JFX - J2 Fax File
• .JHTML - Dynamo Server Page
• .JIF - JPEG/JIFF Image; Jeff's Image Format
• .JMX - JMeter file
• .JNB - Sigma Plot Workbook file
• .JNL - Ingres Journal file
• .JOB - Job file; Task Scheduler Task Object; AI Research file; QuestVision Vector Graphics file
• .JOR - Journal file SQL
• .JOU - Journal backup (VAX Edt editor)
• .JPC - Graphics (Japan PIC)
• .JPE - JPEG image
• .JPG - Bitmap graphics (Joint Photography Experts Group) - Corel.com - Official Store Order Now & Save $100's of Dollars on Corel's Top Brands
• .JPS - Stereo Image
• .JSD - eFAX Jet Suite Document
• .JSH - Henter-Joyce, Inc. Jaws Script Header file
• .JSP - Java Server page
• .JTF - Fax (Hayes JT Fax); Bitmap graphics (JPEG Tagged Interchange Format)
• .JTP - Jetform file
• .JW - Text document (JustWrite)
• .JWL - Library (JustWrite)
• .JWP - Easy CD Creator Label file; JWP Document
• .JZZ - Spreatsheet (Jazz)