| ecg | Electrocardiography Data |
| ech | EasyChem Save |
| eci | Ettercap Info Log |
| ecl | Mass Mailing News E-Campaign List |
| ecml | EpiCollect Markup Language Document |
| QuickBooks License Data |
| ecms | ECMerge Merge Status Data |
| ecmt | ECMerge Merge Template |
| ecmul | WinZip Registration Data |
| ecn | Electrochemical Noise Data |
| eco | EccoPro Database |
| ecore | Kermeta Ecore Diagram Data |
| ecorediag | Kermeta Ecore Diagram Information |
| ecp | eCourse Planner Template |
| Ettercap Packet Log |
| ecr | Ecrypt Encrypted File |
| ecryptfs | eCryptfs Data |
| ecs | F-Secure Easy Clean Selection Data |
| ecu | TunerPro ECU Configuration |
| ecv | NETSCAN Vertex Search Results |
| ecx | EccoPro Corrupted Database |
| ed2 | CHARMM ED2 Data |
| ed3 | CHARMM ED3 Data |
| eda | SoftMax Pro GxP 4 Data |
| edat | E-Prime E-DataAid 1.x File |
| edat2 | E-Prime E-DataAid 2.x File |
| edb | Act! E-Mail Database |
| Business Assessment Manager Database |
| EstImage Database |
| Microsoft Exchange Database |
| Windows Search Index Database |
| ede | Edraw Max Element Data |
| edf | Altera EDIF Input File |
| DrumBeat Component Data |
| Dunstad Estimator Data |
| eMemoPad Data |
| ESRF Data Format |
| MicroEMACS Spelling Dictionary Data |
| Workshare Synergy EDF Data |
| edf2 | EEGLAB Data Set |
| edfx | Estimator.NET Estimate |
| edgx | Microvellum Edgeband File |
| edh | HRV Edit Data |
| edh2 | HRV Edit Data |
| edi | ENVI-met Information File |
| GROMACS Essential Dynamics Information |
| editma | Autodesk Maya 3D Offline ASCII Scene |
| editmb | Autodesk Maya 3D Offline Binary Scene |
| edl | Edit Decision List |
| NonStop ASAP Entity Definition Language Data |
| edm | Novadigm EDM Data |
| PTC Creo Wire EDM Data |
| edmm | Novadigm EDM Data |
| edmo | Novadigm EDM Data |
| edn | Adobe DRM Activation Key |
| Altera EDIF Input File |
| edo | GROMACS Essential Dynamics Output |
| edp | Micro Focus Extra! Display Session |
| NI Multisim EDP Data |
| edpi | ExamDiff Pro Session Data |
| edr | Embird Color Palette Data |
| GROMACS Portable Energy Data |
| eds | Electronic Data Sheets |
| eds_pckg | EditStudio Package |
| edt | ENVI-met Data File |
| NEPLAN External Program Data |
| edx | Novadigm EDM Data |
| Serenity Editor Dictionary Data |
| edz | PTC Creo View ECAD Package |
| ee | CN3 Extended Ephemeris Data |
| eea | DrugPak Encrypted Email Attachment |
| eeb | Corel WordPerfect Equation Editor Buttonbar Data |
| eeg | Neuroscan EEG Data |
| eek | Arachne Network-Enabled Script |
| eel | Atmosphere IoT Embedded Element Library |
| eem | Emonitor Extraction Manager Data |
| eep | EEPROM Data |
| Evidence Eliminator Data |
| Project64 Saved Game Data |
| eet | Enlightenment EET Data File |
