Requirements

The Endmatter Updater requires the following:

Windows or Mac desktop.
Digital books in the EPUB format
Note: To convert files to EPUB format, see: Convert if necessary
A zip program that can open EPUB files such as 7-zip
Note: The new file that will be inserted into all EPUBs during the update should be copied from an updated, verified EPUB to ensure the batch processed EPUBs are properly formed.