| Abbreviation | Definition |
|---|---|
| EPF | Error Processing File |
| EPI | Encapsulated PostScript (text and graphics) (Express Publisher) |
| EPS | Adobe Illustrator Encapsulated PostScript - text and graphics) ( |
| EPS | Encapsulated Post Script |
| EPS | Epson Printer font |
| EPSF | Encapsulated PostScript file (text and graphics) |
| EPSI | Encapsulated PostScript style preview file |
| EPSON | Epson printer graphics file |
| EQF | Equalizer Settings file (WinAmp) |
| EQN | Equation (WordPerfect for Win) |
| ER1 | Data (ERWin) |
| ERD | Prosa Entity Relationship Diagram graphic file |
| ERM | Bitmap graphics |
| ERM | Entity Relationship Diagram model file (Prosa) |
| ERR | Error log |
| ERS | ER Mapper file - Earth Resource Mapping Satellite image header |
| ERX | Data (ERWin) |
| ESH | Extended Shell batch file |
| ESP | Elder Scrolls Plugin file |
| ETH | Document (Ethnograph 3) |