Found one file extension association related to JAR and 1 file format developed specifically for use with JAR.
Platform, operating system: Microsoft Windows
Go to: JAR description
Developer: ARJ Software, Inc.
ARJ Software software list & details
Developer / company: ARJ Software
JAR is a PC file archiver that compresses files into a disk-space-saving archive using state of the art archiver technology. It is fast, powerful, reliable, and has a rich set of features (see below).
JAR has a similar command and option feature set to the PC archiver ARJ, but it is not archive compatible with ARJ. JAR comes in a 16 bit DOS version and a 32 bit Windows version.
JAR is not related to the special ZIP archive scheme (Java ARchive) developed by Sun Microsystems.
JAR works with the following file extensions:
Note: You can click on any file extension link from the list below, to view its detailed information. The list of extensions used or otherwise associated with the application may not be complete, because many common file extensions on our website, such as jpg (pictures) or txt (text files), can be opened by a large number of applications, or are too general file format. However most, if not all directly associated file extensions should be listed with its appropriate program. Although its likely, that some file extensions may be missing from the list of associated file extensions with the application, yet they can be opened, be part of, or otherwise be associated with the program.
JAR default file extension associations
Comparison table of actions that JAR can perform with its associated file type beta
This table might not contain all possible associated or supported file types or may contain incorrect data.
If you need more information please contact the developers of JAR (ARJ Software, Inc.), or check out their product website.
File type \ Action