Accessible EPUB Documents

Electronic documents such as EPUB files (electronic publication files) are treated like a full information and communications technologies (ICT) product. They should conform with all WCAG 2.1 AA technical accessibility standards relevant to them by April 24, 2026.

EPUB files follow the same guidelines as a webpage:

What is an EPUB file?

EPUB files are an internationally recognized eBook format using the file extension ".epub". They are supported by multiple eReaders (e.g., Kindle, Nook, Kobo), including built-in eReaders on smart phones and tablets. EPUB files are considered more internationally accessible, particularly in low resource or basic skills settings.

EPUB files are widely used by textbook publishers. They can also be used by faculty, authors, and government agencies wanting to provide content in a flexible digital format.