| dnl | DNAML E-book |
| ea | Amazon Kindle End Announcement |
| ebk | eBook Pro eBook |
| ebk | Embiid Reader eBook |
| ebktml | eBook Pro Encoded Temporary Data |
| ebo | Microsoft Reader E-Book Annotations |
| ebt | Adobe Acrobat Ebook Document |
| ebx | Adobe Reader Electronic Book Exchange File |
| embp | Mobipocket E-book Encrypted Auxiliary Data |
| enews | Mobipocket Reader eNews Data |
| epu | Open eBook Document |
| epub | Open eBook Document |
| etbz | eTextbookViewer Compressed Textbook |
| fb2 | FictionBook 2 E-Book |
| fkb | Flipkart eBook File |
| fub | Franklin Universal Binary E-book |
| htmlz | Zipped HTML eBook |
| htmz | Zipped HTML eBook |
| htz4 | HyperMaker Publication |
| htz5 | HyperMaker Publication |
| iba | Apple iBooks Author Ebook |
| ibatemplate | Apple iBooks Author Ebook Template |
| ibook | iBooks E-book |
| ibooks | Apple iBooks Document |
| ipef | iPublisherCentral eBook |
| ite | E-Tabs Format E-book |
| kcr | Kindle Cloud Reader Ebook |
| kdh | China Academic Journals KDH Document |
| kf8 | Amazon Kindle Format 8 Ebook Metadata |
| kf8 | Amazon Kindle Format 8 Ebook |
