MOBI
EPUB files
MOBI (Mobipocket) is an e-book format developed for Mobipocket Reader. MOBI files can include features like bookmarks, annotations, and reflowable content, making them compatible with various e-reader devices.
EPUB (Electronic Publication) is an open e-book standard. EPUB files are designed for reflowable content, allowing readers to adjust text size and layout. They are commonly used for e-books and support interactive features, making them suitable for various e-reader devices.