EPUB is open eBook standard since 2007, reflowable text, images, TOC for readers like Kindle alternatives, Apple Books, Google Play. In 2026, EPUB3 adds multimedia, accessibility. Ideal for novels, textbooks.
As part of the document category, this format is highly optimized for its specific use case. Whether you are using it for professional or personal tasks, understanding how to handle .epub files is essential for efficient digital workflows.
Open in Calibre (free manager/reader) or dedicated e-readers.