• An ebook file format. The term is short for “electronic publication” and is sometimes stylized as “ePUB.” EPUB is supported by many ereaders, and compatible software is available for most smartphones, tablets, and computers. EPUB became an official standard in 2007, superseding the older Open eBook (OEB) standard. It uses the .epub file extension. ← Wikipedia ↑ w3.org/publishing/epub3/

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