| Abbreviation | Definition |
|---|---|
| ELF | Executable and Linkable Format |
| ELF | Executable Linking Format |
| ELI | ELI Compressed file archive |
| ELT | Event list (Prosa) |
| EMF | Enhanced Metafile Format |
| EMF | Enhanced MetaFile Vector graphics file |
| EMU | Terminal emulation data (BITCOM) |
| ENC | Encore Music file |
| ENC | Lotus 1-2-3 UUENCODE Encoded file |
| END | Arrow-head definition file (CorelDraw) |
| ENFF | Extended Neutral File Format |
| ENG | Dictionary engine (Sprint) |
| ENG | Engine routines (Matlab) |
| ENG | English documentation |
| ENG | Graphics (charting) (EnerGraphics) |
| ENV | Data (Novell Envoy) |
| ENV | Enveloper macro (WOPR) |
| ENV | Environment file (WordPerfect for Win) |
| EOBJ | Object code (error-checking version) (Geoworks) |
| EPD | Express Publisher Publication |