| e2d | Energy2D Model |
| e2e | Microsoft BizTalk Server RFID Log |
| e2p | PonyProg Device File |
| e3 | Think3 Thinkdesign CAD Document |
| e32 | Inno Setup 1.3 Data |
| e50 | MicroPAVER 5.0 Data |
| e57 | Lidar E57 Point Cloud Data |
| e5e | VecTor5 Expanded Eigen Analysis Results Data |
| e60 | MicroPAVER 6.0 Data |
| e78 | IBM 3270 Terminal Emulator Screen Layout Data |
| eab | Efficient Address Book v2 Data |
| eab | Sybase PowerDesigner Enterprise Architecture Model Backup |
| eabw | Efficient Address Book v5 Data |
| eabx | Efficient Address Book v3 Data |
| eac | EmEditor Auto Complete File |
| eaf | MicroEMACS Abbreviation File |
| eal | Enfocus PitStop Action List |
| eam | Sybase PowerDesigner Enterprise Architecture Model |
| eas | RSLogix 5000 Symbol Data |
| eas3 | EAS3 Data |
| ebb | Empower Business Bulletin Data |
| ebb | The Bat! Encrypted Message Archive |
| ebcdic | EBCDIC Encoded Data |
| ebd | IBIS Electrical Board Description |
| ebf | Efficient Binary Format Data |
| ebi | The Bat! Encrypted Message Index |
| ebim | Extended Building Information Model |
| ebnf | Extended Backus-Naur Form |
| ebr | Availity Electronic Batch Report Data |
| ebsx | Bid Express Proposal Data |
| ebts | Electronic Biometric Transmission Standard |
| ebv | Ash Ware Enhanced Behaviour Data |
| ebw | Encyclopaedia Britannica Database |
| ec0 | MetroCount Traffic Data |
| ec8 | Cashflow Manager v8 Export File |