| Extension | Summary |
|---|
| .E00 | ArcInfo Coverage Export File |
| .E01 | EnCase Image File |
| .E2GM | Pangea Enigmo 2 Custom Game File |
| .E2P | PonyProg Device File |
| .E4A | Encrypt4all Archive |
| .E57 | LIDAR Point Cloud Data File |
| .EA | Kindle End Actions File |
| .EAC3 | Dolby Digital Plus Audio |
| .EAL | Kindle End Actions File |
| .EAP | Adobe Photoshop Exposure File |
| .EAR | Java Enterprise Archive File |
| .EAS | RSLogix Symbol File |
| .EASM | eDrawings Assembly File |
| .EASMX | eDrawings Assembly XPS File |
| .EAZ | ArcGIS Explorer Add-in File |
| .EBA | Emergence BASIC Source Code File |
| .EBABACKUP | EBA Command Center Backup File |
| .EBACMD | EBA Command Center Data File |
| .EBAIMPORT | EBA Command Center Importable |
| .EBAPLUGIN | EBA Command Center Plug-in |
| .EBD | Windows EBD System File |
| .EBK | eBook Pro eBook File |
| .EBM | EXTRA! Basic Macro |
| .EBN | Philips Firmware Update File |
| .EBP | Express Burn Project |
| .EBS | E-Run 1.x Script |
| .EBS2 | E-Run 2.0 Script File |
| .EBUILD | Portage eBuild Script |
| .EC0 | MetroCount Traffic Data File |
| .EC3 | EPSON Print CD File |
| .EC4 | EPSON Print CD File |
| .ECC | dvdisaster Error Correction File |
| .ECD | Encrypted Cryptee Document |
| .ECE | Escenic Dynamic Web Page |
| .ECF | Outlook Add-in |
| .ECFG | ArcGIS Component Configuration File |
| .ECL | Touhou Stage Script |
| .ECM | ECM Disc Image |
| .ECO | ECCO Database File |
| .ECP | EasyC Project File |
| .ECS | Sony Ericsson Phone Backup File |
| .ECSBX | Error-Correcting SeqBox Container File |
| .ECT | Yozo Office Chart Template File |
| .ECW | EclipseCrossword Word List File |
| .ECX | ECCO Corrupted Database File |
| .EDA | Ensoniq ASR Disk Image |
| .EDAT | Sony Encrypted Data File |
| .EDAT2 | E-DataAid 2.0 File |
| .EDB | Windows Search Index Database |
| .EDC | Kryptel Lite Encrypted File |
| .EDDX | Edraw XML FIle |
| .EDE | Ensoniq EPS Disk Image |
| .EDF | Edificius Project |
| .EDFX | Estimator.NET Estimate File |
| .EDG | Edge Diagrammer File |
| .EDGE | Adobe Edge Project File |
| .EDI | Electronic Data Interchange File |
| .EDJ | Enlightenment Theme File |
| .EDK | Ensoniq KT Disk Image |
| .EDL | Edit Decision List File |
| .EDM | Adobe Extension Data Markup Language File |
| .EDML | Adobe Extension Data Markup Language Document |
| .EDMX | ADO.NET Entity Data Model Designer File |
| .EDN | EDIF Implementation Netlist File |
| .EDOC | Electronically Certified Document |
| .EDQ | Ensoniq SQ1/SQ2/KS32 Disk Image |
| .EDRW | SolidWorks eDrawings File |
| .EDRWX | XPS Drawing Document |
| .EDS | Ensoniq SQ-80 Disk Image |
| .EDV | Ensoniq VFX-SD Disk Image |
| .EDX | Edraw XML FIle |
| .EDXZ | Edraw Compressed XML FIle |
| .EDZ | EPLAN Electric P8 Data Archive Zipped File |
| .EEK | Arachne Network-Enabled Script |
| .EEP | EEPROM Data File |
| .EEPF | EmuOS Exchangeable Packet File |
| .EET | ESP/ESM Translator Database |
| .EF | Diploma Exam File |
| .EF2 | Internet Download Manager Export File |
| .EFA | Ensoniq ASR File |
| .EFE | Ensoniq EPS File |
| .EFI | Extensible Firmware Interface File |
| .EFIRES | EFI Image File |
| .EFK | Ensoniq KT File |
| .EFL | External Format Language File |
| .EFP | Exchange Forms Designer Template |
| .EFQ | Ensoniq SQ1/SQ2/KS-32 File |
| .EFR | Encryptafile Private Key File |
| .EFS | Ensoniq SQ-80 File |
| .EFT | Logitech Lighting Effect File |
| .EFTX | Office 2007 Theme Effect File |
| .EFU | Encryptafile Public Key File |
| .EFV | Ensoniq VFX-SD File |
| .EFW | Renamed Zip or Executable File |
| .EFX | Jedi Knight Effects File |
| .EGC | EximiousSoft GIF Creator Document |
| .EGG | Python Distribution Package |
| .EGLIB | Adobe Edge Animate Library File |
| .EGM | Enigmo Custom Game File |
| .EGP | Easy Grade Pro Gradebook File |
| .EGT | EagleGet Temporary File |
| .EHAM | ExtraHAM Executable File |
| .EHI | HTTP Injector Config File |
| .EIO | Yozo Office File |
| .EIP | Enhanced Image Package File |
| .EIT | Yozo Office Template File |
| .EIX | Metin2 Game Data File |
| .EJS | Embedded JavaScript Template |
| .EK6 | Generation 6 Pokémon Save File |
| .EKB | ZMC Visual Tablet Data |
| .EKX | Encrypted 3DS Pokémon Save File |
| .EL | Emacs Lisp Code File |
| .EL4 | Easy-PhotoPrint EX Calendar File |
| .EL8 | Electa Live Classroom Session Recording |
| .ELC | Emacs Compiled Lisp File |
| .ELD | Eulumdat Formatted Luminaire Data File |
| .ELF | Executable and Linkable Format File |
| .ELM | Office Theme File |
| .ELP | eCommerce Landing Page |
| .ELS | EasyLanguage Storage File |
| .EM | Encore Menu Template |
| .EMAIL | Outlook Express Email Message |
| .EMB | Wilcom Embroidery Design File |
| .EMBL | EMBL Sequence Data File |
| .EMBR | Spatial Geodatabase File |
| .EMC | Striata Reader Encrypted Document |
| .EMD | ABT Extended Module |
| .EMERALD | Emerald Theme |
| .EMF | Enhanced Windows Metafile |
| .EML | E-Mail Message |
| .EMLX | Apple Mail Message |
| .EMLXPART | Mail Message Attachment |
| .EMM | MindMaple Map |
| .EMMT | MindMaple Map Template |
| .EMP | eMusic Music Download File |
| .EMRG | E-Merge 1.x Data File |
| .EMRG2 | E-Merge 2.0 Data File |
| .EMULECOLLECTION | eMule Data File |
| .EMX | eMusic Download File |
| .EMY | eMelody Ringtone File |
| .EMZ | Windows Compressed Enhanced Metafile |
| .ENC | Encore Musical Notation File |
| .ENCRYPTED | Crypren Ransomware Encrypted File |
| .ENEX | Evernote Archive |
| .ENF | EndNote Filter File |
| .ENG | Chess Engine |
| .ENL | EndNote Library |
| .ENLX | Archived EndNote Library |
| .ENML | Evernote for Android Note |
| .ENP | EndNote Preferences File |
| .ENQ | EndNote Search Options File |
| .ENS | EndNote Style File |
| .ENT | External Entity |
| .ENTITLEMENTS | Mac App Sandboxing Entitlements File |
| .ENV | WordPerfect Environment |
| .ENW | EndNote Import File |
| .ENX | eDataSecurity Management Encrypted File |
| .ENZ | EndNote Connection File |
| .EOC | EncryptOnClick Encrypted File |
| .EOP | Everyone Piano Music Score File |
| .EOT | Embedded OpenType Font |
| .EP | Pencil Document |
| .EPC | Doctor Who Game Data File |
| .EPF | EAGLE Project |
| .EPGZ | Pencil Project File |
| .EPI | EclipsePackager2000 Compressed File |
| .EPIBRW | Web File Location |
| .EPIM | EssentialPIM Database File |
| .EPK | Metin2 Game Data Package |
| .EPK2 | E-Prime 2.0 Package File |
| .EPP | Canon Easy-PhotoPrint Image File |
| .EPR | Photoshop AME Preset File |
| .EPRT | eDrawings File |
| .EPS | Encapsulated PostScript File |
| .EPSF | Encapsulated PostScript Format File |
| .EPUB | Open eBook File |
| .EPW | EnergyPlus Weather Data File |
| .EQF | Winamp Equalizer Preset File |
| .EQL | Embedded SQL File |
| .EQN | WordPerfect Equation |
| .EQP | MathType Preferences |
| .ER1 | ERWin Entity Relationship Diagram |
| .ERB | Ruby ERB Script |
| .ERD | Entity Relation Diagram |
| .ERF | BioWare Entity Resource File |
| .ERG | CompuTrainer Workout File |
| .ERL | GameGuard Error Log File |
| .ERP | Alter Ego Game Archive |
| .ERR | AutoCAD Error Log File |
| .ERS | ER Mapper Data File |
| .ERSX | Eraser Task List File |
| .ERX | Entity Relationship Data Model File |
| .ES | SageCRM Script File |
| .ES2 | E-Studio 2.0 Experiment File |
| .ESB | Es-Builder Book File |
| .ESC | EasySignCut Pro Project |
| .ESCAPE | Prison Architect Escape Mode Save File |
| .ESCN | Godot Engine Exported Scene File |
| .ESCOPY | ES File Explorer File Manager Temporary File |
| .ESD | Windows Electronic Software Download File |
| .ESE | Millions Email Generator Email List File |
| .ESF | Password Manager Container File |
| .ESG | Enigmo Saved Game File |
| .ESH | Extended Shell Batch File |
| .ESI | EtherCAT Slave Information |
| .ESLOCK | ES File Explorer File Manager Encrypted File |
| .ESM | Fallout 3 Master File |
| .ESP | Fallout 3 Plugin File |
| .ESPROJ | Espresso Project File |
| .ESPS | ESPS Sampled Data File |
| .ESQ | Embroidery Sequence File |
| .ESS | The Elder Scrolls Saved Game |
| .EST | Streets & Trips Map File |
| .EST_UAX | Spanish Unreal Audio Package |
| .ESX | Xactimate Insurance Claims Estimate |
| .ET | Kingsoft Spreadsheets File |
| .ETA | Google Earth Placemark File |
| .ETD | Adobe Reader EBX Transfer Data File |
| .ETE | Exam Testing Engine File |
| .ETF | ENIGMA Transportable File |
| .ETFF | Encrypt4all Theme File |
| .ETH | Ether Source Code File |
| .ETL | Microsoft Event Trace Log File |
| .ETNG | Easiteach Next Generation Document |
| .ETT | Kingsoft Spreadsheets Template |
| .ETX | TeX Font Encoding File |
| .EUC | Extended Unix Code File |
| .EUF | Private Character Editor File |
| .EUI | Ensoniq EPS Compacted Disk Image |
| .EUM | Enterprise User Monitor Configuration File |
| .EV | Echoview File |
| .EV3 | Everlock Options File |
| .EV3P | LEGO MINDSTORMS EV3 Program |
| .EV3S | LEGO MINDSTORMS EV3 Shared File |
| .EVENT | Corel Cataloged Folder File |
| .EVO | HD DVD Video File |
| .EVP | Talisman Online Game Data File |
| .EVR | Enhanced Variable Rate Audio File |
| .EVRC | Enhanced Variable Rate Codec File |
| .EVT | Windows Event Viewer Log File |
| .EVTX | Windows 7 Event Log File |
| .EVX | SeeVogh Player Remote Recording |
| .EVY | Envoy File |
| .EWB | Electronics Workbench Circuit Design File |
| .EWC2 | EDIUS Waveform Cache |
| .EWD | EasyWOOD Design File |
| .EWL | EclipseCrossword Word List File |
| .EWNET | Ultiboard Netlist File |
| .EWP | Ewisoft Website Project File |
| .EWPRJ | Ultiboard Layout Project |
| .EWS | EasyWorship Schedule File |
| .EWW | Embedded Workbench Workspace |
| .EX | Euphoria Source Code |
| .EX01 | EnCase Evidence Image File |
| .EX4 | MetaTrader 4 Program File |
| .EX5 | MetaTrader 5 Program File |
| .EXAMPLE | Example Configuration File |
| .EXB | CAXA Draft |
| .EXC | eDataSecurity Management Self-extracting File |
| .EXD | Control Information Cache File |
| .EXE | PortableApps.com Application |
| .EXE1 | Renamed EXE File |
| .EXE4J | Exe4j Configuration File |
| .EXIF | Exchangeable Image Information File |
| .EXL | JSDAI Inclusion or Exclusion List |
| .EXM | Boson Exam File |
| .EXO | YouTube Video Chunk File |
| .EXOPC | ExoPC Application |
| .EXP | Bernina Embroidery File |
| .EXPORTEDFAVORITES | Transmit Exported Favorites File |
| .EXPORTEDUI | Microsoft Office Exported UI Customization File |
| .EXPRESSIONMAP | Cubase Expression Map File |
| .EXR | OpenEXR Image |
| .EXS | Elixir Source Code File |
| .EXT | Generic Email Attachment |
| .EXTR | COW App Extractor File |
| .EXTRA | Google BreakPad Crash Log Extra File |
| .EXV | Adobe Extension Script |
| .EXW | Euphoria Source code File |
| .EXX | IBM Linkway MsgPut File |
| .EX_ | Compressed Executable File |
| .EYB | Microsoft Encarta Yearbook Update File |
| .EYE | Eyemail Video Recording File |
| .EYETV | EyeTV Recording File |
| .EYETVP | EyeTV Recording Metadata File |
| .EYETVSCHED | EyeTV Schedule File |
| .EZC | AutoCAD Ecscad Components Backup File |
| .EZD | easyScan Data File |
| .EZDRAW | EazyDraw Graphic |
| .EZLOG | Skype Extras Manager Log File |
| .EZP | AutoCAD Ecscad Project Backup File |
| .EZS | EZ-R Stats Batch Script |
| .EZT | EZT Malicious Worm File |
| .EZW | easyOFFER Real Estate Form File |
| .E_E | Renamed EXE File |