| Abbreviation | Definition |
|---|---|
| ESS | Emacs Speaks Statistics |
| ESSI | European System And Software Initiative |
| EST | Exterior Shell Technology |
| ESV | Expanded Service Volume |
| ETB | End of Transmission Block |
| ETCOM | European Testing and Certification for Office and |
| ETE | Error Table Entry |
| ETGR | Extended Theory Of General Relativity |
| ETO | Essentials Tools And Objects |
| ETR | Estimated Time of Recovery |
| ETS | EMO Telic Subsyntax |
| E-TTL | Evaluative Through-The-Lens |
| ETX | End of Text |
| ETX | Etart of Text |
| EUC | End User Computing |
| EUE | Early User Evaluation |
| EUI | End User Interface |
| EUM | End User Manual |
| EUNET | European Unix Network |
| eUNSD | electronic Unique Non-Standard Data |