| .e | EiffelStudio Source |
| .e00 | ESRI Map File Export |
| .e01 | EnCase Forensic Image Format |
| .e02 | ArcInfo Export |
| .e03 | ArcInfo Export |
| .e04 | ArcInfo Export |
| .e05 | ArcInfo Export |
| .e06 | ArcInfo Export |
| .e2e | Microsoft BizTalk RFID Log |
| .e2gm | Pangea Enigmo Custom Game Format |
| .e2p | PonyProg Device |
| .e32 | Inno Setup 1.3 |
| .e3a | Carrier HAP Project |
| .e3d | Instant3D Project |
| .e3mod | Emergency 3 Mod Package |
| .e3p | E3.series Part |
| .e3s | E3.series Project |
| .e3w | E3.WireWorks Project |
| .e4a | Encrypt4all Archive Format |
| .e4b | EOS Bank |
| .e4mod | Emergency 4 Mod |
| .e50 | MicroPAVER 5.0 |
| .e57 | LIDAR Point Cloud Data Format |
| .e60 | MicroPAVER 6.0 |
| .ea | EarAche Audio |
| .ea3 | Fifa 2001 Environment Game Data |
| .eac | EmEditor Auto Completion |
| .eac3 | Dolby Digital Plus Audio Track |
| .eaf | ELAN Annotation Format |
| .eaglerc | EAGLE Linux User-specific Parameter |
| .eal | EnergyAccess Log |
| .eap | Adobe Photoshop Exposure Format |
| .ear | Java Enterprise Application Packaging Unit |
| .eas | RSLogix Symbol Format |
| .easm | SolidWorks EDrawing Assembly Format |
| .easmx | XPS Document |
| .eaz | ArcGIS Explorer Add-in Format |
| .eb | EBwin Project |
| .ebc | MediaBASIC Compiled Project |
| .ebd | Windows EBD System Format |
| .ebf | Pocket PC WindowsCE Form |
| .ebh | EBahn Desktop Automotive Repair Information |
| .ebi | The Bat! Messages Encrypted Backup |
| .ebk | EBook Pro E-book Format |
| .ebkproj | ECub Project |
| .ebktml | EBook Pro Encoded Temporary |
| .ebl | Expedite Bid Amendment Library |
| .ebm | Ragnarok Online Emblem Format |
| .ebn | Philips GoGear Firmware Update Format |
| .ebo | Microsoft Reader EBook Format |
| .ebp | Pocket PC Windows CE Project |
| .ebq | CITE Electronic Bill Of Quantities |
| .ebs | E-Prime E-Run Version 1 Script Format |
| .ebs2 | E-Prime E-Run Script Format |
| .ebuild | Portage EBuild Script Format |
| .ebw | Encyclopaedia Britannica |
| .ebx | Rational Rose 98 Compiled Script |
| .ec0 | MetroCount Traffic Data Format |
| .ec3 | Dolby Digital AC3 Sound Format |
| .ec4 | EPSON Print CD Document Format |
| .ec7 | EuroCUT Profile |
| .ec8 | Simplazz 1-2-3 Accountant Export |
| .ecbk | LG PC Suite Calendar Backup |
| .ecc | Dvdisaster Error-correction Format |
| .ecd | LabelMaker CD/DVD Label |
| .ece | Oracle Application Express Dynamic Web Page Format |
| .ecf | Microsoft Outlook Add-in Format |
| .ecfg | ESRI XML Zipped Database |
| .ecg | ECG Electrocardiography |
| .ech | EasyChem Save |
| .eci | Ettercap Info |
| .ecl | Management-Ware Mass Mailing News E-campaign List Format |
| .eclipseproduct | Eclipse Product Maker |
| .ecm | ECM Disc Image |
| .ecml | Quickbooks Licence |
| .eco | ECCO Database Format |
| .ecore | Kermeta Ecore Diagram |
| .ecore2ecore | Eclipse EMF Ecore Model Mapping |
| .ecore2xml | Eclipse EMF Ecore Model Mapping |
| .ecorediag | Kermeta Ecore Diagram Information |
| .ecp | EasyC Project Format |
| .ecr | Ecrypt Encrypted |
| .ecs | Sony Ericsson Phone Backup Format |
| .ecsv | Encapsulated Comma Separated Value |
| .ect | Microsoft Visual C++ Exception Console Template |
| .ecu | TunerPro ECU Configurator |
| .ecw | Enhanced Compressed Wavelet Image Format |
| .ecw2002puzzle | EclipseCrossword Puzzle |
| .ecw2002words | EclipseCrossword Word List |
| .ecx | ECCO Pro Damaged Database Format |
| .ed | LithTech Game Level |
| .ed2k | EDonkey Download Link |
| .eda | Ensoniq ASR Disk Image Format |
| .edat | Sony Playstation Portable PSP Encrypted Data Format |
| .edat2 | E-Prime 2 E-DataAid Data Format |
| .edb | Exchange Information Store Database |
| .edc | Kryptel (Lite) Decoder/Encoder Format |
| .eddx | Edraw Project |
| .ede | Ensoniq EPS Disk Image |
| .edf | ESRF Data Format |
| .edfx | Estimator.NET Estimate Format |
| .edg | EDGE Diagrammer Diagram Format |
| .edge | Adobe Edge Animation Project Format |
| .edi | EDI Engine Electronic Data Interchange Format |
| .edj | Enlightenment DR 17 Background And Theme Format |
| .edk | Ensoniq KT Disk Image |
| .edl | Edit Decision List Format |
| .edm | Adobe Extension Data Markup Language (EDML) Format |
| .edml | Adobe Extension Data Markup Language (EDML) Document Format |
| .edmx | Microsoft Visual Studio Entity Data Model Format |
| .edn | Acrobat Document Format |
| .edoc | Electronically Certified Document |
| .edp | Multisim |
| .edpi | ExamDiff Pro Session Fle |
| .edq | Ensoniq SQ1/SQ2/KS32 Disk Image Format |
| .edr | Embird Color Palette |
| .edrw | SolidWorks EDrawing Format |
| .edrwx | Microsoft XPS Drawing Document Format |
| .eds | Ensoniq SQ80 Disk Image Format |
| .edt | Football Manager Mod |
| .edv | Ensoniq VFX-SD Disk Image |
| .edw | EDrawings SolidWorks Corp |
| .edx | EDraw Max Drawing Format |
| .edxz | Edraw Compressed XML FIle |
| .edz | ProductView Compressed Package |
| .ee | Encrypt Easy Encrypted |
| .eea | Encrypted E-mail Attachment |
| .eeb | Corel WordPerfect Equation Editor Button Bar |
| .eef | Embird Project |
| .eek | Arachne Script Format |
| .eep | Evidence Eliminator Format |
| .eepf | EmuOS Exchangeable Packet Format |
| .eer | Lahey Fortran Error |
| .ees | Empire Earth Scenario |
| .eex | Oracle Discoverer EUL |
| .ef2 | Internet Download Manager Format |
| .efa | Ensoniq ASR Instrument Format |
| .efax | Everex EFax Fax Document |
| .efd | Parallels Desktop Related |
| .efe | Ensoniq EPS Instrument Format |
| .eff | Bioware Infinity Game Engine Effects |
| .efg | Gambit Extensive Game Format |
| .efi | Extensible Firmware Interface Firmware Format |
| .efires | EFI Image Format |
| .efk | Ensoniq KT Instrument Format |
| .efl | Encryptafile Encrypted Format |
| .efp | Microsoft Exchange Server Form Message Template Format |
| .efq | Ensoniq SQ1/SQ2/KS32 Instrument Format |
| .efr | Encryptafile Private Key Format |
| .efs | Ensoniq SQ80 Format |
| .efslib | ESignal EFS Function Library |
| .eft | ChiWriter High Resolution Screen Font |
| .eftx | Microsoft Office 2007 Theme Effect Format |
| .efu | Encryptafile Public Key Format |
| .efv | Ensoniq VFX-SD Instrument Format |
| .efw | Renamed Zip Or Executable Format |
| .efx | Everex EFax Fax Document Format |
| .efxt | Microsoft Office Theme |
| .eg | Image It Backup Disk Image |
| .egb | Encog Binary Format |
| .egc | GIF Creator Project Format |
| .egg | ALZip EGG Compressed Archive Format |
| .egg-info | Python Egg |
| .eggp | Adobe After Effects Project |
| .egisenc | Egis Encrypted |
| .egisenx | Egis Encryped |
| .eglib | Adobe Edge Animate Symbol Library |
| .egm | Pangea Enigmo Custom Game Format |
| .ego | Rollback Rx Drive Image |
| .egon | Egon Animator Graphics |
| .egp | Easy Grade Pro Gradebook Format |
| .egs | GIS Software Encrypted Grid Shape |
| .egt | EagleGet Incomplete Download |
| .eham | HAM Programmer Toolkit ExtraHAM Executable Format |
| .ehp | Help Steward Project |
| .ei | Electric Image Image Format |
| .eia | Excellon |
| .eic | East Indian Company Save Game |
| .eid | IBM Voice Type Languages Newuser |
| .eif | Eroiica Graphic |
| .eil | Eagle Library Intermediate |
| .eio | DesignBuilder EnergyPlus Model Summary Configuration Output |
| .eip | Enhanced Image Package Format |
| .eit | Microsoft Encarta Database Update |
| .eix | Metin2 Game Data Package Format |
| .ejs | Embedded JavaScript Template |
| .ekb | VisualTablet Data |
| .ekm | EXP Macro |
| .eks | Metapraxis Empower Data |
| .ekv | Left 4 Dead |
| .el | Emacs Lisp Programming Language Source Code |
| .el1 | Easy-PhotoPrint EX Album |
| .el2 | Easy-PhotoPrint EX Stickers |
| .el4 | Easy-PhotoPrint EX Calendar |
| .el5 | Easy-PhotoPrint EX Layout |
| .el6 | Easy-PhotoPrint EX Photo Print |
| .el7 | Easy-PhotoPrint EX Premium Contents |
| .el8 | Easy-PhotoPrint EX Disc Label/cover |
| .elastik | Elastik Engine Sound Bank |
| .elc | Emacs Compiled Lisp Format |
| .eld | NEPLAN-DOS Import Or Export |
| .ele | ZEMAX Element Drawing Settings |
| .elf | ELF Executable Format |
| .elf9 | ESRI Floating License |
| .eli | DipTrace |
| .elist | Emperor Media Player Playlist |
| .elk | Altium Designer Linker Error Message |
| .ell | ATI Radeon Driver |
| .elm | Office Theme Format |
| .elo | ELO Data |
| .elt | NEPLAN Topology |
| .elu | Quake 3 Arena Model Shell |
| .elv | Aces High Map Data |
| .elx | DesignPro Tools Form |
| .elz | Crossword Power Tools Crossword Library |
| .em | Adobe Encore Menu Template Format |
| .em2 | Emax II Bank |
| .em4 | AEM Stinger Engine Management Computer |
| .em8 | AEM 8860 Engine Management Computer |
| .em9 | AEM 8860 Engine Management Computer |
| Outlook Express Email Message Format | |
| .emakefile | Erlang Make |
| .emakerfile | Erlang Make |
| .emat | ANSYS Element Matrix |
| .emb | EMBL Nucleotide Format |
| .embp | Mobipocket EBook Encrypted Auxiliary |
| .emc | Striata Reader Encrypted Document Format |
| .emd | Micrografx Media Manager Format |
| .emd1 | Apple GarageBand |
| .emelody | EMelody Ericsson Mobile Ring Tone |
| .emerald | Emerald Theme Format |
| .emf | Enhanced Windows Metafile Picture |
| .emi | Pocket Tanks Emitter |
| .emix | Apple Mail Mailbox Message |
| .eml | Email Message Format |
| .emlx | Apple Mail Email Message |
| .emlxpart | Apple Mail Attachment Format |
| .emn | Pro/ENGINEER |
| .emo | Emoticon |
| .emof | Eclipse EMOF Model |
| .emp | EMusic File Format |
| .emrg | E-Merge 1.x Data Format |
| .emrg2 | E-Merge 2.0 Data Format |
| .ems | EMachineShop CAD Design |
| .emsg | SendSafe E-message |
| .emt | Unreal Engine Emitter |
| .emulecollection | EMule Collection Data Format |
| .emv | LabVIEW Configuration |
| .emw | Resident Evil Model |
| .emx | EMusic Download Format |
| .emy | EMelody Ericsson Mobile Ring Tone |
| .emz | Microsoft Windows Compressed Enhanced Metafile |
| .en$ | Steinberg Cubase Compressed |
| .en2 | Articulate Engage Compressed |
| .enb | Evernote 2.x Database |
| .enc | Encore Musical Notation File Format |
| .enc2 | Samsung Galaxy Firmware Update |
| .enciphered | Malware (ransomware) Encoded |
| .end | CorelDRAW Arrow-head Definition |
| .enex | Evernote Exported XML Format |
| .enf | EndNote Filter Format |
| .eng | English Language Localization Format |
| .enh | CRiSP Harvest |
| .enl | Endnote Library Format |
| .enlx | EndNote Archived Library Format |
| .enml | Evernote For Google Android Note Format |
| .enp | EndNote Preferences Format |
| .enpack | EnCase Package |
| .enq | EndNote Saved Search Format |
| .enref | EverNote Food |
| .ens | EndNote Style Format |
| .ent | External Entity |
| .entitlements | Apple Mac OS X Sandbox Format |
| .env | Adobe Acrobat Dictionary Format |
| .enw | EndNote Citation Format |
| .enx | IBM Rational XDE |
| .enyd | Envoy Document |
| .enz | EndNote Connection Format |
| .eoc | EncryptOnClick Encrypted |
| .eof | Embird Outline Format |
| .eon | EON Studio |
| .eoo | ArcInfo Workstation Export |
| .eop | EON Studio |
| .eot | Embedded OpenType Font Format |
| .eox | EON Studio |
| .eoz | EON Studio |
| .ep | Pencil Project Document Format |
| .epa | Award Bios Logo Image Format |
| .epb | EPublisher |
| .epc | Doctor Who Game Data Format |
| .epd | ChessDB Extended Position Description |
| .epdf | Encapsulated Portable Document Format |
| .epf | EPSF Encapsulated Postscript Image Format |
| .eph | GPS Pathfinder Office Ephemeris |
| .ephtml | Enhanced Perl-parsed HTML |
| .epi | Express Publisher Encapsulated Postscript Format |
| .epibrw | Web Format Location Format |
| .epim | EssentialPIM Data |
| .epj | JAVA-clients |
| .epk | Metin2 Game Data Package Format |
| .epk2 | E-Prime 2.0 Package Format |
| .epm | Destiny MPE Encoder Encrypted Portable Media |
| .epme | Renamed HJSplit Split WinRAR Archive |
| .epp | EditPad Pro Project Format |
| .epr | Photoshop AME Preset Format |
| .eprj | Pg4uw Project |
| .eprt | SolidWorks EDrawing Part |
| .eprtx | Microsoft XPS Document Related |
| .eps | Encapsulated PostScript Format |
| .eps2 | Adobe Level II Encapsulated PostScript |
| .eps3 | Encapsulated PostScript Level 3 |
| .epsf | Encapsulated PostScript Format |
| .epsi | Adobe Encapsulated PostScript Interchange Format |
| .epsp | Adobe Encapsulated PostScript |
| .ept | Adobe Encapsulated PostScript Interchange Format With TIFF Preview |
| .epub | Open Publication Structure EBook Format |
| .epw | EnergyPlus Weather Data Format |
| .epx | Piranesi 3D Model |
| .eqb | ESignal Quote Board |
| .eqd | EquineMax Data |
| .eqf | Winamp Equalizer Settings Format |
| .eql | MathType Settings Format |
| .eqn | Corel WordPerfect Equation Format |
| .eqp | MathType Preferences Format |
| .eqt | ReliaSoft Weibull++ 6 |
| .equ | AstroDigital.Net Equipment |
| .equiv | IBM AIX System File. |
| .eqx | EQuinoX Project |
| .er1 | AllFusion ERWin Data Format |
| .eragesoundset | Microsoft Entourage Sound |
| .erb | Evil Genius Resource Format |
| .erbsql | Ruby SQL |
| .erc | Ercato Engine |
| .erd | Active Media Eclipse Resource Database |
| .erf | Epson Camera RAW Format |
| .eri | ERI-chan (Entis Rasterized Image) Image Format |
| .erik | Xmap |
| .erl | NProtect GameGuard Log Format |
| .erm | Prosa Entity Relationship Diagram Model |
| .ero | ELibrary Reader Object |
| .erp | Alter Ego Game Format |
| .err | Error Log Format |
| .ers | ER Mapper Data Format |
| .ersx | Eraser Task List Format |
| .ert | Heroes Of Might And Magic 3 Script |
| .erubis | Erubis Script |
| .erv | ER Mapper ASCII Header |
| .erx | ER Data Model |
| .er_ | Microsoft Winhelp Compressed |
| .es | ECHOSPEECH Format |
| .es2 | E-Prime E-Studio Experiment Format |
| .es3 | Canon VIXIA HG21 High Resolution Exported Movie |
| .esb | Es-Builder Database Format |
| .esc | PRTWin |
| .escaperosecliffislandsavedgame | Escape Rose Cliff Island Saved Game |
| .esco | Nokia Lumia Windows Phone 7 Firmware |
| .escopy | ES File Explorer Temporary |
| .esd | ExpertScan Survey Document Format |
| .ese | Millions Email Generator Syntax Settings Format |
| .ese2 | Edius Seek Information |
| .eset | Extensions Manager Settings |
| .esf | Total War Campaign Settings |
| .esg | Pangea Enigmo Saved Game Format |
| .esh | Extended Shell Batch File |
| .esi | Escape Level Index |
| .esk | ESignal Scan |
| .eskin | Emperor Theme Skin |
| .esl | Everest Authoring System Screen Library |
| .esm | Elder Scrolls Master Format |
| .esn | Windows XP System32 |
| .eso | DesignBuilder EnergyPlus Output |
| .esp | Gamebryo Game Engine Plug-in Format |
| .espf | Encapsulated PostScript |
| .esproj | MacRabbit Espresso Project Format |
| .esps | ESPS Audio Format |
| .esq | Embroidery Sequence Format |
| .ess | EXP Style Sheet Format |
| .est | Microsoft Streets & Trips Trip Format |
| .est_uax | Spanish Unreal Audio Package |
| .esu | LokSound Electronic Sound Format |
| .esv | Principia Stock Research Document |
| .esx | Xactimate Format |
| .et | ETwin Project Format |
| .eta | Keyhole EarthViewer Placemark Or Overlay Format |
| .etb2 | Timbuktu Pro Resource |
| .etc | EarthTime |
| .etd | Acrobat EBook Reader EBX Transfer Data Format |
| .etex | ETutor Questions |
| .etf | Enigma Transportable Format |
| .etff | Encrypt4all Theme Format |
| .eth | Ethnograph Data |
| .eti | ETI (Ensemble Transport Interface) Stream |
| .etk | Orgadata LogiKal |
| .etl | Microsoft Windows Trace Log Format |
| .etng | RM Easiteach Next Generation Document |
| .etnt | RM Easiteach Next Generation Template |
| .eto | Microsoft Visual Studio Policy Cache |
| .etp | Visual Studio .NET |
| .etq | ESignal Time And Quotes |
| .ets | Enthuware Test Studio Document |
| .ett | Kingsoft Spreadsheet Format |
| .etw | MagicSing Audio |
| .etx | Setext Structure Enhanced Text Format |
| .etz | RAM Elements Model |
| .euc | UNIX Japanese Text (Kanji) Format |
| .euf | Private Character Editor Format |
| .euhl | Eudora For Mac Help |
| .eui | Ensoniq ESP Family Compacted Disk Image |
| .eum | WaveRider Enterprise User Monitor Configuration Format |
| .eur | Monster Hunter Freedom Unite EU Region Save Game |
| .ev | Echoview Format |
| .ev1 | Calendar Commander Version 1 Event |
| .ev2 | Calendar Commander Version 2 Event |
| .ev3 | HY-TEK Sports Team Manager Meet Event Format |
| .ev3p | LEGO MINDSTORMS Program |
| .ev3s | LEGO MINDSTORMS Shared |
| .evc | Earthview |
| .evcs | XILS 3 Audio Sample Bank |
| .evd | Grand Theft Auto IV Vehicle Extended Data |
| .eve | Embedded Vector Editor Diagram |
| .event | Corel Catalog Format |
| .evf | ENVI Vector |
| .evl | EchoView Exported Line |
| .evm | Windows Vista Session Configuration |
| .evn | Retrosheet Event |
| .evo | HD DVD Video Format |
| .evp | Earthview Configuration |
| .evr | Enhanced Variable Rate Audio Format |
| .evrc | Enhanced Variable Rate Codec Audio |
| .evs | Easy Stand Alone |
| .evt | Microsoft Windows 2000 And XP Event Log Format |
| .evtx | Microsoft Windows Vista, Windows 7, Windows 8 Event Log Format |
| .evx | EVO Record |
| .evy | Corel Envoy Document Format |
| .evz | EVO Compressed Record |
| .ewb | NI Multisim Electronics Workbench Format |
| .ewc | EWView Configuration |
| .ewc2 | EDIUS WaveForm Cache |
| .ewd | EasyWOOD Format |
| .ewd3 | InstallShield |
| .ewi | Play Instrument |
| .ewl | Microsoft Encarta Document |
| .ewm | EWView Geographic Data |
| .ewp | ECommerce Website Builder Project Format |
| .ews | EasyWorship Schedule Format |
| .ewsmbox | Apple Mail |
| .ewt | EWView Trace Data |
| .eww | ER Mapper World Data |
| .ex | Norton Ghost Template Format |
| .ex3 | Harvard Graphics Device Driver |
| .ex4 | MetaTrader Program Format |
| .exa | Examine32 Saved Search Paramaters |
| .examl | Examine32 Saved Search Parameters |
| .example | Example Configuration Format |
| .exb | Evernote Database Format |
| .exc | Microsoft Word Exclusion Dictionary Format |
| .exd | Control Information Cache Format |
| .exe | Windows Executable File |
| .exe1 | Renamed Executable Format |
| .exe4j | Exe4j Configuration Format |
| .exf | Exchangeable Image File Format |
| .exg | JSDAI Express-G Schema |
| .exh | NHL Game Exhibition Roster |
| .exif | Exchangeable Image Format |
| .exj | Java |
| .exl | Export Lister Format |
| .exm | RapidExam Test Format |
| .exopc | ExoPC Application Format |
| .exp | CATIA Export Format |
| .exportedfavorites | Transmit For Mac Exported Logins Format |
| .exportedUI | Microsoft Office Import Customization |
| .expressionmap | Cubase Expression Map Format |
| .exr | OpenEXR Image Format |
| .exs | Apple Logic EXS24 Instrument Format |
| .exsd | Eclipse IDE Extension Point Schema |
| .ext | Norton Commander Extension Format |
| .ext2 | Linux Second Extended System |
| .extra | Mozilla Firefox Crash Report Format |
| .extrep | SAGE External Representation |
| .exu | Euphoria For Linux Source Code |
| .exv | Adobe Extension Script |
| .exw | Euphoria Windows Source Code Format |
| .exx | IBM LinkWay Intermediate Format |
| .exy | Eltac Embroidery Format |
| .ex_ | Compressed EXE Format |
| .eyb | Microsoft Encarta Encyclopedia Yearbook Update Format |
| .eye | Eyemail ETI Camcorder Pro Video Format |
| .eys | Sierra Expanded Embroidery Format |
| .ez | EZ Word Word Processor Document |
| .ezb | EasyBoot Image |
| .ezc | AutoCAD Ecscad Components Backup Format |
| .ezdraw | EazyDraw Picture Format |
| .eze | ErZorScript Source |
| .ezk | EasyKrypt Encrypted |
| .ezlog | Skype Extras Manager Log Format |
| .ezm | EasyOffice Mail |
| .ezp | AutoCAD Ecscad Project Backup Format |
| .ezs | EZ-R Stats For Windows Batch Submit Format |
| .ezt | Worm.Win32.AutoRun.ezt Format |
| .ezw | EasyOFFER Real Estate Form Format |
| .e_e | Renamed Executable Format |
File extensions are not normally displayed to users. To change this, go to Control Panel, select Appearance and Personalization and Folder Options. Next, select the View and find the option "Hide extensions for known file types". The option should be deselected (cleared) and confirmed with OK.
