| eab | ProSystem fx Engagement Binder Archive |
| eappx | Microsoft Windows Encrypted App Package |
| ebk | Kryptel Backup File |
| ebu | Ulead EasyBackup Archive |
| ecar | EkStep Content Archive |
| ecbk | LG PC Suite Backup Archive |
| ecs | Sony Ericsson P900 Phone Backup |
| edc | Kryptel Encrypted Container |
| edz | EON Studio Distribution Archive |
| efs | Kryptel Filesets File |
| egg | ALZip Archive |
| ejb | Enterprise JavaBeans Archive |
| eli | ELI 5750 Compressed Archive |
| empackage | Segger Embedded Studio Package |
| emz | EON Studio Mobile Distribution Archive |
| enc4 | Samsung Kies Smartphone Encrypted Firmware |
| enpack | EnCase Package |
| enz | Cobian Backup Encrypted Data |
| eoz | EON Studio Project Archive |
| esa | Enveloc Secure Archive |
| esd | Windows 8 Upgrade Assistant Electronic Software Download |
| esj | Autodesk Fabrication Archived Job |
| exp | Cisco RV042 Configuration Backup |
| ez2 | EZPix Secure Photo Album Package |
| ez3 | EZPix Secure Photo Album Package |
| ezsetup | EasyBits Setup Package |
| fb | Slim! Compressed Archive |
| fbf | Free Backup Fix Backup Archive |
| fbu | FEBE Firefox Backup |
| fbw | HP Backup Segment |
| fcarch | Final Cut Pro Archive |
| fcx | FCX Archive |
| fcxe | FileCapsule Deluxe Encoded Archive |
| fez | FUND E-Z Backup Archive |
| fgz | Formula Graphics Presentation Archive |