| extension name | file type | Classification |
|---|---|---|
| EA | Kindle End Actions File | eBook file |
| EAL | Kindle End Actions File | eBook file |
| EBK | eBook Pro eBook File | eBook file |
| EDN | Adobe eBook Activation File | eBook file |
| EPUB | Open eBook File | eBook file |
| ETD | Adobe Reader EBX Transfer Data File | eBook file |