Mobile-optimized EPUB ebook
File type: E-book file
An .mpub file is a mobile-optimized EPUB ebook intended for reading on mobile platforms.
File type category:
E-book file
Date updated: October 22, 2026
Record marked as obsolete and not updated for a long time.
The .mpub file extension identifies a specially optimized EPUB ebook format designed for mobile platforms.
Mobcast created the format for use with its white-label ebook store and reader package. The format is now obsolete and has limited support.
Open an .mpub file with the Mobcast ebook reader or store package, if that software is available for the relevant mobile platform.
Because the format is obsolete and support is limited, current ebook readers may not recognize it.
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