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Alphabetic File Extension List

This list will take for a moment to be fully loaded as the file extension lists are quite long. These lists contain information about the extension name, the name of the program, and the creator's company. Click on the extension to see the detail page. The total extensions in this list: 80.

Extension Information
X_T Parasolid CAD File (UGS Corp.)
XAP Xbox Dashboard Script (Microsoft Corporation)
XAP Silverlight Application Package (Microsoft Corporation)
XAR Xara X Vector Drawing (Xara Group Limited)
XAR eXtensible ARchiver Archive
XAR Excel AutoRecover File (Microsoft Corporation)
XCF GIMP Image File (The GIMP Team)
XDB Norton AntiVirus Update File (Symantec Corporation)
XDB HyperCD HyperLOCK (John Galt Media, Inc.)
XDB xText Compiled Database (Flambeaux Software)
XDW DocuWorks File (Fuji Xerox Co., Ltd.)
XDW Milnta APL Transfer Function
XER Primavera Project Management Propriety Exchange Format (Primavera Systems, Inc)
XEX KERMIT Control File
XEX Renamed .EXE File
XEX Xbox Executable (Microsoft Corporation)
XFD Atari Disk Image (Atari)
XFD XML Form in XFDL Format
XFD Acu4GL Extended File Description (Acucorp, Inc.)
XFDL XML Form in XFDL Format
XHTML Extensible HyperText Markup Language File
XIF [Removed by request] [Removed by request] (ScanSoft, Inc.)
XIF LonMark Device Interface File (LonMark International)
XIF [Removed by request] [Removed by request] (ScanSoft, Inc.)
XLA Data Import aka Dimport Translation Table (DATAIR Employee Benefit Systems, Inc.)
XLA Excel Add-in (Microsoft Corporation)
XLA Xlib Archive
XLB Excel Worksheet (Microsoft Corporation)
XLF XLIFF Document
XLF Crystal Xcelsius Visualization (Business Objects SA)
XLK Excel Backup (Microsoft Corporation)
XLM Excel Macro (Microsoft Corporation)
XLR Works Spreadsheet or Chart (Microsoft Corporation)
XLS Excel Worksheet (Microsoft Corporation)
XLSX Excel Microsoft Office Open XML Format Spreadsheet (Microsoft Corporation)
XLT Excel Template (Microsoft Corporation)
XLT Lotus Translation Table (IBM)
XLW Excel Workspace (Microsoft Corporation)
XMI XMill Compressed XML (Dan Suciu, AT&T Labs-Research and Hartmut Liefke, University of Pennsylvania)
XMI XMIT File Format (IBM)
XMI XML Metadata Interchange Format
XML Extensible Markup Language File
XMP Adobe Extensible Metadata Platform (Adobe Systems Incorporated)
XMP XMap Project Data (Delorme)
XNK Exchange Shortcut (Microsoft Corporation)
XP System Utility File
XPA Xpandata DB Transfer Encrypted Compressed File
XPA SoniqSync Extended Playlist (SoniqCast, LLC)
XPF X-Protector Project (The Xprotector Team)
XPF XaoS Position File (Jan Hubicka, Thomas Marsh, Zoltan Kovacs and Others)
XPI Mozilla/Firefox Browser Extension Archive (Mozilla)
XPM DESQview Macro (Symantec)
XPM BMC Software Patrol UNIX Icon File
XPM X Pixmap Graphic
XPR XBMCTex/Xbox Media Center Graphic File (XboxMediaCenter Project)
XPR exPresset CD Label (Pressit)
XPS MonkeyJam Exposure Sheet (David Perry)
XPS X-port Version 2
XPS XML Paper Specification (Microsoft Corporation)
XPT Dungeons & Dragons Core Rules 2 (Wizards of the Coast, Inc.)
XPT eXact Packager Models (Giunti Interactive Labs S.r.l. (a company of Giunti Publising Group))
XPT SAS Transport (XPORT) Format
XSD XML Schema
XSL FileMaker Database Design Report Template
XSL XML Stylesheet
XSLT XSL Transform File
XSN InfoPath Dynamic Form/Template (Microsoft Corporation)
XST X-Tract XML Script (DecisionSoft Limited)
XST Easy Cross Cross Stitch Design (DOS Version) (Fulford Software Solutions)
XTM CmapTools Exported Topic Map (IHMC)
XXX Paint Shop Photo Album Panorama (Corel Corporation)
XXX Compucon/Singer PSW Embroidery Design File
XYZ XYZZLY Plug-In for RealPlayer
XYZ Förderdiagnose Data File (Bettinger Software)
XYZ Graph Coordinates

For another list, please refer to these links...

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