List of All the File Extensions Formats and Types Starting With the Letter E
| File Extension | Description |
| .EA | EarAche audio |
| .EA3 | Fifa 2001 environment game data |
| .EAC | EmEditor Auto Completion |
| .EASM | SolidWorks eDrawing assembly |
| .EAZ | ArcGIS Explorer add-in |
| .EI6 | P&G; Standard Reporting System |
| .EIDI | Electric Image EIDI |
| .EIP | Enhanced Image Package |
| .EIS | EIS Spectrum Analyser project |
| .EIX | Metin2 game data package |
| .EIZ | Electric Image format |
| .EML | Email message |
| .EMZ | Microsoft compressed enhanced metafile Street Fighter IV game |
| .ENC | BlackIce PC Protection evidence log Cabal Online game data CopySafe PDF encrypted Electronic navigation chart Encore musical notation kmttg video profile Media Safe (Nokia Symbian) Uuencode encoded Yahoo! Instant Messenger |
| .EPS | Encapsulated PostScript |
| .EPUB | Open Publication structure eBook |
| .ET | Easiteach lesson kingsoft spreadsheet ETwin project |