.jar file extension

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.jar: Java Archive. A compressed Java file format.

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Can you add to this? Do you know of any applications not already listed which will work with .jar files, view, or open .jar files? Are you able to contribute any additional reference or file format information about .jar files, or have you spotted any errors or omissions? If so then please let us know by emailing us at feedback@cryer.co.uk. Thank you.