JNB file extension

Workbook file

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A .JNB file is known as a Workbook file.

This file extension was added to our database by a visitor to this site, but no further information was provided. We have yet to investigate the JNB file extension any further, or there was simply not enough information available at the time to report accurately on this format.

However, it is possible that other file formats exist that use the JNB extension, so please let us know if you do not think this extension matches the file format you are looking for.