Use Microsoft File Explorer or 7-Zip to see the internal files.
The JWPub format is a proprietary file type used primarily by the Watchtower Bible and Tract Society within their digital ecosystem, such as the app. While these files are highly optimized for their native environment—offering seamless navigation, integrated media, and synchronized study features—they are not inherently compatible with standard e-readers like Kindle, Kobo, or generic mobile reading applications. This limitation creates a barrier for users who prefer a unified library or specialized hardware for long-form reading. Why Conversion Matters
Have you successfully converted a JWPUB file to EPUB? Share your experiences in the comments below (on your favorite tech forum). For further reading, check out the Calibre user manual or the GitHub repositories dedicated to JW Library tools.
: These files often contain complex database links for scriptures and media that may break or lose functionality when moved to a standard e-reader. Better Alternatives