Format | File extension | Detail |
---|---|---|
EPUB | .epub | The ebooks, including the free ones, you get from the iBooks Store are in EPUB with DRM protection. Also, you can open and read your own EPUB files with the iBooks app. |
One can also read PDFs in iBooks. | ||
IBA | .iba | This EPUB-based iBook format is generated with the iBooks Author app. |
IBOOKS | .ibooks | You can create such an iBook using iBooks Author. |