| JAR |
Java Archive (a compressed file for applets and related files) |
| JAS |
Graphic (Generic) |
| JAVA |
Source code (Java) |
| JBD |
Datafile (SigmaScan) |
| JBF |
Image browser file (Paint Shop Pro) |
| JBX |
Project file (Project Scheduler 4.0) |
| JFF |
JPEG image |
| JIF |
JPEG image |
| JFIF |
JPEG image |
| JMP |
Discovery chart-to-statistics (SAS JMP) |
| JN1 |
Jill of the Jungle data (Epic MegaGames) |
| JNB |
Workbook file (Sigma Plot 5) |
| JOB |
Vector graphics file created by conversion of a IMG file (QuestVision) |
| JOR |
Journal (Microsoft SQL Server) |
| JOU |
Journal backup (VAX Edt editor) |
| JPC |
Graphic (Japan PIC) |
| JPE |
JPEG image |
| JPEG |
JPEG compressed bitmap |
| JPG |
JPEG bitmap |
| JS |
JavaScript source code |
| JSD |
Jet Suite document (eFAX) |
| JSP |
A HTML page containing a reference to a Java servlet |
| JTF |
JPEG bitmap |
| JTF |
Fax document (Hayes JT Fax) |
| JTF |
Bitmap graphic (JPEG Tagged Interchange Format) |
| JTK |
Java ToolKit file (Sun Microsystems) |
| JW |
Text document (JustWrite) |
| JWL |
Library (JustWrite) |
| JZZ |
Spreadsheet (Jazz) |
| J62 |
Ricoh camera file |
