Ms Dr Epub -

: Prevents unauthorized distribution or modification of the underlying source code.

The search result indicates that "" typically refers to the Microsoft Digital Rights (DRM) features associated with EPUB files. These features are designed to manage and protect digital content by controlling how it is accessed, shared, and used. Key Informative Features MS DR epub

: Restricts book access to a set number of verified devices or accounts. : Prevents unauthorized distribution or modification of the