Add file extension

File extensions sorted alphabetically - starting with a letter X

File extension The full name of the file extension
File extension .X Lex Language Source Code
File extension .X-PNG Portable (Public) Network Graphic Bitmap
File extension .X01 Corel Paradox Secondary Index
File extension .X02 Corel Paradox Secondary Index
File extension .X03 Corel Paradox Secondary Index
File extension .X04 Corel Paradox Secondary Index
File extension .X05 Corel Paradox Secondary Index
File extension .X06 Corel Paradox Secondary Index
File extension .X07 Corel Paradox Secondary Index
File extension .X08 Corel Paradox Secondary Index
File extension .X09 Corel Paradox Secondary Index
File extension .X1 X1 Desktop Search Saved Search
File extension .X10 X Window Bitmap Dump
File extension .X11 X Window System Bitmap Image
File extension .X13 Hooligans Game Archive
File extension .X20 XTree Gold For Dos Help
File extension .X32 Adobe Xtra Format
File extension .X3A MOTIF XF
File extension .X3D X3D Format
File extension .X3DB X3D Binary Format
File extension .X3DV Web3D X3D Graphics Image
File extension .X3F Sigma Camera RAW Picture Format
File extension .X3G MakerBot MakerWare Document
File extension .X40 XtreeGold Dos Help
File extension .X4K XML4King Configuration Format
File extension .X50 XtreeGold Dos Help
File extension .X60 XTree Gold For Dos Help
File extension .X64 Commodore 64 Emulator Disk Image
File extension .X70 XTree Gold For Dos Help
File extension .X80 Xtree Gold Dos Help
File extension .X90 XTree Gold For Dos Help
File extension .XA Sony PlayStation Audio/video Format
File extension .XA0 Xtree Gold Dos Help
File extension .XAB Microsoft Outlook Express Address Book
File extension .XAC SimCity Societies Game
File extension .XAD EXotic ADlib Sound Format
File extension .XADD Expression Web Add-in
File extension .XADML Amiga Forever XADML
File extension .XAF Xml Compatible Animation Format
File extension .XAIML XAIML Database Format
File extension .XAML Windows Markup File
File extension .XAMLX XAMLX Document Format
File extension .XAN Worms 3D Map Format
File extension .XAP Microsoft Silverlight Application Package Format
File extension .XAPPL Virtual Application Studio XML Application Configuration Format
File extension .XAR Xara Vector Drawing Format
File extension .XARC The Longest Journey Audio
File extension .XAS PTC Pro/Engineer Assembly Format
File extension .XAV Final Draft AV Document
File extension .XAVC Sony XAVC Video Format
File extension .XB0 Xtree Gold Dos Help
File extension .XBA OpenOffice.org Basic Module Format
File extension .XBAP Microsoft Silverlight Application Package
File extension .XBB DVIPDFMx Output
File extension .XBC SMART Notebook Format
File extension .XBD JAXB Schema
File extension .XBDOC Xiosis Scribe Document
File extension .XBE Xbox Executable Format
File extension .XBEL XBEL Bookmarks Format
File extension .XBF Emperor Battle For Dune
File extension .XBK SMART Notebook Format
File extension .XBL Extensible Binding Language Format
File extension .XBLR Output Raw XBRL
File extension .XBM X Windows System Bitmap Image
File extension .XBMML Braille Music Score
File extension .XBMP Area 51 Game
File extension .XBN Xnick Nick Backup
File extension .XBPLATE Xiosis Scribe Template
File extension .XBRL Extensible Business Reporting Language
File extension .XBSAV Mass Effect 2 For Xbox Saved Game Format
File extension .XBT SMART Notebook Template Format
File extension .XBX Xbox Icon Or Picture
File extension .XC0 Xtree Gold Dos Help
File extension .XC3 Cast3D 3D Scene
File extension .XCAPPDATA Apple Xcode Application Data Format
File extension .XCARCHIVE Xcode Archive
File extension .XCCONFIG Apple Xcode Configuration Settings
File extension .XCDATAMODEL Xcode Core Data Model Format
File extension .XCDATAMODELD Xcode Core Data Model Format
File extension .XCEL Microsoft Excel For Mac Spreadsheet
File extension .XCF GIMP XCF Bitmap Image Format
File extension .XCH LinkAssistant Project Settings
File extension .XCI Adobe Reader Font Mapping
File extension .XCL XTree For Windows Script
File extension .XCM CmapTools Exported Concept Map
File extension .XCO Xilinx CORE Generator Log
File extension .XCODE Xcode Development Project Format
File extension .XCODEPLUGIN Apple Xcode Extension
File extension .XCODEPROJ XCode Project Format
File extension .XCOF Mac OS Object Library
File extension .XCON Conceal Encrypted Data
File extension .XCORPUS Xaira Corpora
File extension .XCP XLNT Script Command
File extension .XCPLUGIN Apple Xcode Extension
File extension .XCPLUGINDATA Xcode Plug-in Data
File extension .XCR Warlords Battlecry Game
File extension .XCSCHEME Apple Xcode Scheme
File extension .XCSL CineStyle Color Correction Settings Format
File extension .XCSNAPSHOTS Xcode Snapshot
File extension .XCT XVI32 Conversion
File extension .XCTL LabVIEW XControls
File extension .XCU OpenOffice.org Extension Control Format
File extension .XCUSERSTATE Xcode
File extension .XCWORKSPACE Xcode Workspace Format
File extension .XD0 XtreeGold Dos Help
File extension .XDA Sencha Architect Project
File extension .XDB Norton AntiVirus Update Format
File extension .XDC Total Commander With DarkCrypt IV Plug-in Encrypted
File extension .XDF Externally Defined Function
File extension .XDFL XDFL Configuration
File extension .XDI WinArchiver Compressed ISO Image Format
File extension .XDL MS SQL Server XML Schema Format
File extension .XDO Oracle BI Publisher Resource Tracking
File extension .XDOC QuarkXPress 3.0 Document
File extension .XDOCLET JBoss XDoclet Reference
File extension .XDP Acrobat XML Data Package Format
File extension .XDR XML Data Reduced Format
File extension .XDS LCDStudio Design Format
File extension .XDT Win-Test Extra Data
File extension .XDU Backdoor.Win32.PcClient.xdu
File extension .XDV XeTeX
File extension .XDW DocuWorks Document Format
File extension .XE0 XtreeGold Dos Help
File extension .XEF X-Genics EManager Form Data Format
File extension .XEJ Microsoft Expression Encoder Job Format
File extension .XEL Microsoft Expression Encoder 3.0 Live Jobs Format
File extension .XEM Sybase PowerDesigner Model Definition Format
File extension .XEN Activision Guitar Hero 3 Data Format
File extension .XENSEARCH XenCenter Saved Search Format
File extension .XEO Signwave Auto-Illustrator Extension
File extension .XEP EManager File Packing Definition
File extension .XEQ Sage MAS 90 Data
File extension .XER Primavera Project Management Propriety Exchange Format
File extension .XES X-Genics EManager Skins Definition
File extension .XESC Microsoft Expression Encoder Screen Capture Format
File extension .XET X-Genics EManager Process Definition
File extension .XEV X-Genics EManager Auto-update Format
File extension .XEVGENXML Adobe Dreamweaver
File extension .XEX Xbox 360 Executable Format
File extension .XEZ X-Genics EManager Template Package
File extension .XFA OneCncXR CAD
File extension .XFBIN Naruto Shippuden: Ultimate Ninja Storm 2
File extension .XFC X-Fonter Font Collection
File extension .XFD Adobe XFDL Format XML Form Format
File extension .XFDF Adobe Acrobat Forms Document
File extension .XFDL XFDL Format
File extension .XFF XFRX Database Output
File extension .XFI XICE Desktop Encrypted
File extension .XFL Adobe Flash Exchange Format
File extension .XFM OmniForm XML
File extension .XFN Corel Ventura Printer Font
File extension .XFO XSL-FO Formatted Form
File extension .XFP Microsoft SharePoint Extending Form Library Properties
File extension .XFR Ventura Publisher Bitmap Editor Font Format
File extension .XFS Gunbound Format
File extension .XFT Adobe Form Designer Form
File extension .XFZ French FlashCards Vocabulary
File extension .XG0 Corel Paradox Secondary Index
File extension .XG1 Corel Paradox Secondary Index
File extension .XG2 Corel Paradox Secondary Index
File extension .XG3 Corel Paradox Secondary Index
File extension .XG4 Corel Paradox Secondary Index
File extension .XG5 Corel Paradox Secondary Index
File extension .XGA Diamond Mind Baseball Game Account Information
File extension .XGD Xbox 360 Game Disc Layout
File extension .XGL XGL 3D CAD Model
File extension .XGLL EASE SpeakerLab Text
File extension .XGML Graph Modeling Language XML Format
File extension .XGMML XGMML Graph Format
File extension .XGO GeoConcept Add-on
File extension .XGP Xfire Profile Patcher Game List Format
File extension .XGS Disk Image Format
File extension .XHB HomeBank Data
File extension .XHP OpenOffice.org Extension Help Format
File extension .XHT Extensible HyperText Markup Language Format
File extension .XHTM Extensible HTML Format
File extension .XHTML Extensible HTML Format
File extension .XI Fastracker 2.0 Instrument Format
File extension .XIB Apple Interface Builder Format
File extension .XIF ScanSoft Pagis Format
File extension .XIG XML Instance Generator
File extension .XIL Xilize
File extension .XILINC Xilize Defintion
File extension .XILIZE Xilize Configuration
File extension .XIM X11 Xim Toolkit Bitmap
File extension .XIN OmniMark Include
File extension .XIP Xbox Dashboard
File extension .XISE Xilinx ISE Project Format
File extension .XISO Xbox ISO
File extension .XIT SpatialAnalyzer
File extension .XIT64 SpatialAnalyzer
File extension .XIX IIS NNTP Subject Lists
File extension .XIZ Ximinez
File extension .XJB OEPE JAXB Wizard Bindings
File extension .XJT Compressed GIMP Image
File extension .XKM X KeyBoard
File extension .XL Microsoft Excel Spreadsheet Format
File extension .XLA Microsoft Excel Add-in Format
File extension .XLA5 Microsoft Excel 5 For Mac Add-in
File extension .XLA8 Microsoft Excel 98 For Mac Add-in
File extension .XLAM Microsoft Excel 2007/2010 Open XML Macro-enabled Add-in Format
File extension .XLAMENX Egis Encrypted Excel XLAM
File extension .XLA_ Microsoft Excel 4 For Mac Add-in
File extension .XLB Microsoft Excel Toolbars Format
File extension .XLB4 Microsoft Excel 4 For Mac Toolbars
File extension .XLB5 Microsoft Excel 5 For Mac Toolbars
File extension .XLB8 Microsoft Excel 98 For Mac Toolbars
File extension .XLBN Microsoft Excel 1 For Mac Toolbars
File extension .XLC Microsoft Excel Chart Format
File extension .XLC3 Microsoft Excel 3 For Mac Chart
File extension .XLC4 Microsoft Excel 4 For Mac Chart
File extension .XLC_ Microsoft Excel 2 For Mac Chart
File extension .XLD Microsoft Excel Dialogue Format
File extension .XLDB AQUA Data
File extension .XLF XLIFF Document Format
File extension .XLG AutoCAD External Reference Log
File extension .XLGC ExpressK Database Format
File extension .XLI SIEMENS PLM Software NX 7.5 Log
File extension .XLIFF XLIFF Localization Format
File extension .XLK Microsoft Excel Backup Format
File extension .XLL Microsoft Excel Add-in Format
File extension .XLL_ Microsoft Excel 4 For Mac Add-in
File extension .XLM Microsoft Excel Macro Format
File extension .XLM3 Microsoft Excel 3 For Mac Macro
File extension .XLM4 Microsoft Excel 4 For Mac Macro
File extension .XLMV Thunder Mall Video Format
File extension .XLMX Microsoft Excel Macro-enabled Spreadsheet
File extension .XLM_ Microsoft Excel 2 For Mac Macro
File extension .XLNK XML Link Format
File extension .XLO Autodesk Inventor Export Journal
File extension .XLPF Microsoft Excel For Mac Setting
File extension .XLR Microsoft Works Spreadsheet Or Chart Format
File extension .XLS Microsoft Excel 97 To 2003 Workbook Format
File extension .XLS3 Microsoft Excel 3 For Mac Spreadsheet
File extension .XLS4 Microsoft Excel 4 For Mac Spreadsheet
File extension .XLS5 Microsoft Excel 5 For Mac Spreadsheet
File extension .XLS8 Microsoft Excel 98 For Mac Spreadsheet
File extension .XLSB Microsoft Excel 2007/2010 Binary Workbook Format
File extension .XLSENX Egis Encrypted Excel XLS
File extension .XLSHTML Microsoft Office Excel HTML Document Format
File extension .XLSM Microsoft Excel 2007/2010 Open XML Macro-enabled Workbook Format
File extension .XLSMHTML Microsoft Excel MIME HTML Spreadsheet Format
File extension .XLSX Microsoft Excel 2007, Excel 2010 And Excel 2013 Open XML Workbook Format
File extension .XLSXENX Egis Encrypted Excel XLSX
File extension .XLS_ Microsoft Excel For Mac Spreadsheet
File extension .XLT Microsoft Excel 97 To 2003 Workbook Template Format
File extension .XLTHTML Microsoft Office Excel HTML Template Format
File extension .XLTM Microsoft Excel 2007/2010 Open XML Macro-enabled Workbook Template Format
File extension .XLTX Microsoft Excel 2007/2010 Open XML Workbook Template Format
File extension .XLV Microsoft Excel VBA Module Format
File extension .XLW Microsoft Excel Workspace Format
File extension .XLW3 Microsoft Excel 3 For Mac Workbook
File extension .XLW4 Microsoft Excel 4 For Mac Workbook
File extension .XLW5 Microsoft Excel 5 For Mac Workbook
File extension .XLW_ Microsoft Excel 2 For Mac Workbook
File extension .XLXML Microsoft Excel XML Worksheet
File extension .XLZ Crossword Power Tools Crossword Library
File extension .XM FastTracker 2 Instrument
File extension .XMAP XMind 2007/2008 Workbook
File extension .XMB Lucas Arts X-Wing Mission Briefing Format
File extension .XMC Lingoes Configuration
File extension .XMCD PTC Mathcad Worksheet Format
File extension .XMCDZ PTC Mathcad Compressed Worksheet Format
File extension .XMCT Mathcad Template Format
File extension .XMD GameJack Virtual CD Or DVD Image Format
File extension .XME GME
File extension .XMEF TextMap Evidence Format
File extension .XMF CDRWin Virtual CD Image Format
File extension .XMG The Longest Journey XMG
File extension .XMI Miles Sound System Extended MIDI Files
File extension .XMIND XMind Workbook Format
File extension .XMIT IBM XMIT Data
File extension .XML XML Document Format
File extension .XML-PREV VirtualBox XML Settings Backup
File extension .XMLA XML For Analysis Source
File extension .XMLJET Eclipse JET XML Template
File extension .XMLPER LeCroy Binary Waveform Format
File extension .XMLS Microsoft Excel 2003 XML
File extension .XMLX Excel Spreadsheet
File extension .XMM 3ds Max XML Animation Map Format
File extension .XMMAP MindManager XML Map Format
File extension .XMMAS MindManager XML Theme
File extension .XMMAT MindManager XML Template
File extension .XMO Adobe Authorware Movie Driver
File extension .XMOD Datawatch Monarch Model
File extension .XMP Adobe Extensible Metadata Platform Format
File extension .XMPSES Adobe Premiere Elements
File extension .XMPSKIN XMPlay Skin
File extension .XMPZ Miradi XML Project Format
File extension .XMS Microsoft EXtended Memory Specification
File extension .XMT XMind Workbook Template
File extension .XMTA Microsoft Visual Studio XMTA Document
File extension .XMV Microsoft Xbox Video Format
File extension .XMX AutoCAD External Message Compiled
File extension .XMZ Fasttracker 2 Extended Module Format
File extension .XN Cygnus Ld-scripts
File extension .XNB XNA Game Studio Express XNA Framework Content Pipeline Binary Format
File extension .XND ExNode Download
File extension .XNF Extensible Numerical
File extension .XNK Microsoft Exchange Shortcut Format
File extension .XNODE LabVIEW
File extension .XNP XnView Addon
File extension .XNT QuarkXPress Extension Format
File extension .XNV NVision Layout
File extension .XOB EasyBuilder 8000 Compiled Code
File extension .XOF RenderMorphics Reality Lab 3D Image Format
File extension .XOJO_BINARY_MENU Xojo Binary Menu
File extension .XOJO_BINARY_PROJECT Xojo Binary Project
File extension .XOJO_BINARY_WINDOW Xojo Binary Window
File extension .XOJO_MENU Xojo Menu
File extension .XOJO_PROJECT Xojo Programming Project
File extension .XOJO_WINDOW Xojo Window
File extension .XOJO_XML_MENU Xojo XML Menu
File extension .XOJO_XML_WINDOW Xojo XML Window
File extension .XOL Swiss Map Overlay Format
File extension .XOM Worms 3D Object Format
File extension .XOML Windows Workflow Format
File extension .XOP IGOR Pro Add-on
File extension .XOV RapidForm XOV 3D Inspection/Model
File extension .XP WindowBlinds Temporary Format
File extension .XP0 SecretPhotos Puzzle Graphic Image
File extension .XP2 XPilot NG
File extension .XP3 KiriKiri Package Format
File extension .XP4 KiriKiri Package
File extension .XPAC Sonic & Sega All-Stars Racing For PC Game Audio Archive
File extension .XPADDERCONTROLLER Xpadder Controller Layout Format
File extension .XPADDERPROFILE Xpadder Settings
File extension .XPB XPB! Basic Source Code
File extension .XPD XML Pipeline Document Format
File extension .XPDL XPDL Module
File extension .XPF XProtector Project
File extension .XPG Autoplay Media Studio Exported Page
File extension .XPGT EPUB XML Stylesheet Page Template
File extension .XPI Firefox Browser Extension Format
File extension .XPJ Micro Planner X-Pert Project Format
File extension .XPK PSpice Library Format
File extension .XPKU Apple Mac OS X Universal Binary Package
File extension .XPL X-Plane Plug-in Format
File extension .XPL2 TerraExplorerPro LOD Parameter
File extension .XPM X11 Pixmap Graphic
File extension .XPNG Portable (Public) Network Graphic Bitmap
File extension .XPP X++ Source Code Format
File extension .XPR PTC Pro/ENGINEER Part Format
File extension .XPR3 QuarkXpress 3.0 Mac
File extension .XPRJ Monarch XML Project
File extension .XPS XML Paper Specification Format
File extension .XPS~ WindowBlinds Temporary
File extension .XPT Mozilla Firefox Component
File extension .XPTIN Xpswmm Hydrology Data
File extension .XPW Accessible FormNet Fillable Form
File extension .XPX Intercon FormNet
File extension .XPY MarketBrowser
File extension .XP~ WindowBlinds Temporary
File extension .XQ XQuery Format
File extension .XQL XML Query Language Format
File extension .XQM XQuery Module
File extension .XQT SuperCalc Macro Spreadsheet Format
File extension .XQUERY XQuery Source Code Format
File extension .XQY XQuery Source Format
File extension .XR Cygnus Ld-scripts
File extension .XRC WxWidgets WxPython Resource
File extension .XRD Core Wars Data
File extension .XRDML PANalytical XRD Measurement Data XML
File extension .XREF IBM AIX Cross Reference
File extension .XRF WordSearch Cross Reference Format
File extension .XRFF Extensible Attribute-Relation File Format
File extension .XRL PowerDesigner Report
File extension .XRM-MS Microsoft Security Certificate
File extension .XRNS Extended Renoise Song Format
File extension .XRP RationalPlan Format
File extension .XRS Dig It! Game
File extension .XRX Expression Encoder Media Profile Settings
File extension .XRY XRY Data Format
File extension .XS Age Of Empires 3 Map AI Generator Format
File extension .XS4 XESS Worksheet
File extension .XS5 XESS Worksheet
File extension .XSB XACT Sound Bank
File extension .XSC Microsoft Visual Studio XSC Format
File extension .XSD XML Schema Description Format
File extension .XSF Microsoft Office InfoPath Format
File extension .XSI SOFTIMAGE|XSI 3D Model
File extension .XSIADDON SOFTIMAGE XSI Add-on Format
File extension .XSL XML Stylesheet Format
File extension .XSLIC XenServer License Format
File extension .XSLT XSL Transform Format
File extension .XSM SimCity Societies Game
File extension .XSN Microsoft Office InfoPath Template Form Format
File extension .XSO Expresso Project
File extension .XSP XBMC Smart Playlist Format
File extension .XSPF XML Shareable Playlist Format
File extension .XSQL Oracle XSQL Servlet Server Side
File extension .XSR FabTrol MRP
File extension .XSS XML Stylesheet Format
File extension .XSSLOG Microsoft SharePoint WorkSpace Groove Log
File extension .XSSR Microsoft SharePoint WorkSpace Groove
File extension .XST Microsoft Outlook Personal Folders Format
File extension .XSTB TextBridge
File extension .XSTK XStarter Task
File extension .XSU Fortran 77 Library
File extension .XSVF Xilinx Serial Vector Format
File extension .XSX Microsoft Visual Studio XML Schema Layout Format
File extension .XT FastTracker Music Track Format
File extension .XTC XTrkCAD Project
File extension .XTD XML Type Definition
File extension .XTERME Winstep Extreme Theme
File extension .XTF EXtended Triton Format
File extension .XTG QuarkXpress Tags Format
File extension .XTIC ActivInspire Ticker
File extension .XTL Vietcong Game Data Format
File extension .XTM CmapTools Exported Topic Map Format
File extension .XTML XML4web Virtual HTML Document
File extension .XTMP Avid Xpress Pro Template
File extension .XTND Adobe Acrobat For Mac Plug-In
File extension .XTODVD ConvertXtoDVD Project
File extension .XTP XTreeGold Overlay
File extension .XTRA Adobe Director Xtra
File extension .XTREME Winstep Xtreme Theme Pack Format
File extension .XTRL XTND Translator
File extension .XTXT Xtext
File extension .XUI Xbox 360 Skin Format
File extension .XUL Firefox XML User Interface Language Format
File extension .XUR Xbox 360 Compiled Skin Format
File extension .XV Khoros Visualization Bitmap Image
File extension .XV0 Lattice XVL Structure Format
File extension .XV2 V-XVL Geometry
File extension .XV3 P-XVL Geometry Format
File extension .XVA Citrix Xen Virtual Appliance Format
File extension .XVCT VISE XML Project Format
File extension .XVG Grace Document
File extension .XVID XviD Codec
File extension .XVL EXtensible Virtual World Description Language Document
File extension .XVM VMware Console Configuration Format
File extension .XVMCONF World Of Tanks Configuration Format
File extension .XVO RatDVD Internal
File extension .XVU BOClean Database Format
File extension .XWB XACT Wave Bank Format
File extension .XWC Starbreeze Sound
File extension .XWD X Window Window Screen Dump Or Bitmap
File extension .XWF OmniPage Workflow Format
File extension .XWI Star Wars: X-Wing Mission
File extension .XWK Crosstalk Keyboard Mapping Format
File extension .XWM The Elder Scrolls V: Skyrim Music
File extension .XWMA XWMA Audio Compression Format
File extension .XWMV Microsoft Windows Media
File extension .XWP Xerox Writer Document
File extension .XWS Xara Webstyle Format
File extension .XX XXEncoded Format
File extension .XXD Brixx Planner Calendar Format
File extension .XXE XXEncoded Format
File extension .XXX Compucon/Singer PSW Embroidery Design Format
File extension .XY XyWrite Document
File extension .XY3 XYWrite III Document
File extension .XYP XY Write III Plus Document
File extension .XYS XYplorer Script Format
File extension .XYW XYWrite For Windows 3x/4.0 Document
File extension .XYZ Molecule Specification Format
File extension .XYZE Radiance Map
File extension .XYZI 3rdTech Scanner
File extension .XYZRGB 3rdTech XYZ RGB Graphic
File extension .XYZV Celestia Sampled Trajectory Format
File extension .XZ XZ Utils Compressed Archive
File extension .XZFX ZipLogix ZipForm Format
File extension .XZM Slackware Linux Package
File extension .X_B Parasolid Document Format
File extension .X_T Parasolid File Format