File Extension Types that start with 'X'
XLS - Microsoft Excel SpreadsheetXDS - Symantec Store Download Manager Partial Download
XFDL - Extensible Forms Description Language
XPI - Mozilla Installer Package
X - Alysis SuperDisk Self - extracting Archive
X - Amapi 3D Modeling
X - Direct3D Object
X - LEX Program
X - Stardent AVS X Image
X - Unknown Apple II
X - XBLite Program
X - Xview Object
X_B - Parasolid CAD
X_T - Parasolid CAD
X01 - Paradox Secondary Index
X02 - Paradox Secondary Index
X03 - Paradox Secondary Index
X04 - Paradox Secondary Index
X05 - Paradox Secondary Index
X06 - Paradox Secondary Index
X07 - Paradox Secondary Index
X08 - Paradox Secondary Index
X09 - Paradox Secondary Index
X1 - X1 Desktop Search Saved Search
X10 - X Window Dump Bitmap
X11 - X Windows System Window Dump Bitmap
X13 - Hooligans
X16 - Macromedia Program Extension
X28 - Unknown Apple II
X32 - Macromedia Program Extension
X3D - X3D
X3D - Xara 3D Project
X3DB - X3D Binary Format
X3DBZ - X3D GZipped Binary Format
X3DV - X3D Classic VRML
X3DVZ - X3D GZipped Classic VRML
X3F - Sigma Camera RAW Picture
X4M - TeamLinks Mail File Data
X5 - Rockwell Software Logix 5
X64 - C64 Emulator Disk Image
XA - Extended Architecture
XA - Gear CD Suite
XA - Playstation Video
XA - The Sims Extensive Audio
XA2 - Exam Editor Question Groups
XAB - Mail Address Book
XAB - Xenis Mail Address Book
XACT - XactScript
XAD - eXotic AdLib Format
XAML - Windows Presentation Foundation Object Model XML - based Markup Language
XAN - XANIA Browser
XAN - xyALGEBRA
XAP - Xbox Dashboard Script
XAR - Corel Xara Drawing
XAR - Excel AutoRecover
XAR - eXtensible ARchiver Archive
XAR - Xara X Vector Drawing
XARC - The Longest Journey Sound
XAS - Playstation Video
XB~ - IC
XBE - Xbox Executable
XBF - Database
XBF - Emperor Battle for Dune
XBIN - RegSupreme License
XBK - SMART Board Slide Collection
XBL - Extensible Binding Language
XBL - XBLite Program
XBM - X Bitmap Graphic
XBP - XBWML X - Bite.co.uk Markup Language
XBS - ETAK MapBase
XBW - Crossword
XBX - XBox Image
XC - X Server Constant Screen Image Bitmap
XC2 - HPXView DACCS Configuration
XCDATAMODEL - Xcode Core Data - based Data Model
XCF - GIMP Image
XCI - Acrobat Font Mapping
XCK - Extended Crack
XCL - Xtree for Win Script
XCM - CmapTools Exported Concept Map
XCMD - Unknown Apple II
XCMDS - Unknown Apple II
XCN - HPXView DACCS Configuration
XCR - Warlords Battlecry
XCS - BuzzLetter Encrypted Stationery Template
XCT - XVI32 Conversion
XCZ - BuzzLetter Zipped Collection of Encrypted Stationery Templates
XD - CCS - lib.2 Examples Motif-CC
XDB - HyperCD HyperLOCK
XDB - Norton AntiVirus Update
XDB - xText Compiled Database
XDC - Acrobat Printer Description
XDD - xfit XDD Format Data
XDE - Tgif - 3.0
XDF - Extended Disk Format Image
XDF - Milnta APL Transfer Function
XDF - ProWORX Nxt Extended Memory Data
XDF - Workshare Synergy
XDF - X68000 Image
XDIM - Multi - Channel Server (MCS) Markup Editor XDIME Document
XDK - XML Development Kit Project
XDO - OutDo Outline
XDP - Acrobat XML Data Package
XDP - UNIX
XDR - BizTalk XML - Data Reduced Schema
XDR_TOR - Insight II Binary Torsion
XDRUID - XDIME Player Skin
XDSL - D - Link Router UK Firmware Update
XDT - Xscript Data Packet
XDW - DocuWorks
XDW - Milnta APL Transfer Function
XEA - Cryptomax Encrypted Archive
XEB - Apabi eBook
XEC - Afaria
XEF - eManager Form Data
XEM - eManager Metering Unit Credits for File Use
XEP - eManager File Packing Definition
XES - eManager XML UI Definition for Skins
XET - eManager XML Definition of eManager Process
XEV - eManager XML Autoupdate Definition
XEX - KERMIT Control
XEX - Renamed .EXE
XEX - Xbox Executable
XEX - XeX Web Page Definition
XEZ - eManager Template Package
XFB - LonMark Binary Device Interface File Format
XFC - Docuprint N17 Printer Firmware
XFD - Acu4GL Extended File Description
XFD - Atari Disk Image
XFD - XML Form in XFDL Format
XFDF - Acrobat Forms Document
XFI - LaTex Figures
XFI - xICE Desktop Encrypted
XFL - xICE Desktop Encrypted Folder
XFM - Audition Transform Effect
XFM - OmniForm XML Format
XFR - Symantec Anti - Virus Corporate Version Failed Update
XFR - Ventura Publisher Bitmap Editor Font
XFR - Xfrog Vegetation
XFS - eRacer Sound
XFS - GunBound
XFT - ChiWriter 24 Pin Printer Font
XFT - LiveCycle Designer Form
XFX - Fax
XG0 - Database Index; Paradox Secondary Index
XG1 - Database Index; Also XG2, XG3...
XG1 - Techno Toys XG - 909 MIDI Drum Machine
XG9 - Techno Toys XG - 909 MIDI Drum Machine
XGL - MegaBitz Graphics Language
XGM - Techno Toys XG - 909 MIDI Drum Machine
XGO - GeoConcept Add - On
XGO - LogMate for Windows
XGO - Paradox Database - related
XGP - PicturePlayer Password Protected Files
XGR - Graph Edit XML Graph (Filter Graph Markup Language)
XGS - PicturePlayer Scrambled Files
XGZ - MegaBitz Vector Drawing
XHD - HappyFish XML Data
XHDML - XML Version of HDML
XHESSIAN - Insight II Hessian
XHT - Extensible HyperText Markup Language
XHTM - Extensible HyperText Markup Language
XHTML - Extensible HyperText Markup Language
XHTML - Libxml HTML
XI - Fast Tracker 2 Instrument
XI - ScreamTracker Instrument
XIF - [Removed by request] [Removed by request]
XIF - eXtended Image File Format
XIF - LonMark Device Interface
XIF - Often a Fax Image (TIFF)
XIF - Wang Image
XIF - Xerox Image
XIM - X11 Xim Toolkit Bitmap
XIN - OmniMark Include
XIP - Hotbar Image Compression Format
XIP - HP95 Execute - in-place Program
XIP - Xbox Dashboard
XIX - IIS NNTP Subject Lists
XJS - WinExplorer Java Script
XJT - Compressed GIMP Image with Properties of GIMP
XJTGZ - Compressed GIMP Image with Properties of GIMP
XJTZ2 - Compressed GIMP Image with Properties of GIMP
XKS - IBM Softcopy Reader PDF Extended Bookshelf
XL - Excel Spreadsheet
XL - Old Amiga Movie Format
XL - XBLite Program
XL$ - Modem Bitware Fax Disk2
XLA - Data Import aka Dimport Translation Table
XLA - Excel Add - in
XLA - Xlib Archive
XLAM - Excel Add - In
XLAMENX - egis Encrypted XLAM (Excel 2007)
XLAT - Unknown Apple II
XLB - Excel Worksheet
XLC - Excel Chart
XLD - Excel Dialog
XLE - Cooktop
XLF - Crystal Xcelsius Visualization
XLF - XLIFF Document
XLG - AutoCAD XREF Log
XLG - Xnetech Engraving Logo
XLK - Excel Backup
XLL - Excel Add - in
XLM - Excel Macro
XLO - Inventor Export Journal
XLSB - Excel Binary Workbook
XLSBENX - egis Encrypted XLSB (Excel 2007)
XLSENX - egis Encrypted Excel XLS
XLSHTML - Excel HTML Document
XLSM - Excel Macro - Enabled Workbook
XLSMENX - egis Encrypted XLSM (Excel 2007)
XLSMHTML - Excel Archived HTML Document
XLSX - Excel Microsoft Office Open XML Format Spreadsheet
XLSXENX - egis Encrypted Excel Open XML XLSX
XLSXENX - egis Encrypted XLSX (Excel 2007)
XLT - Excel Template
XLT - Lotus Translation Table
XLT - Procomm Plus Translation Table
XLTHTML - Excel HTML Template
XLTM - Excel Macro - Enabled Template
XLTMENX - egis Encrypted XLTM (Excel 2007)
XLTX - Excel Template
XLTXENX - egis Encrypted XLTX (Excel 2007)
XLV - Excel VBA
XLW - Excel Workspace
XLX - XoloX Incomplete Download
XLXML - Excel XML Worksheet
XM - Fast Tracker 2 Extended Module
XMAP - File That Controls How XML / XSL Gets Served
XMAS - Unknown Apple II
XMB - X - Wing Mission Briefing
XMCD - Xmcd CD Information
XMD - GameJack Virtual CD or DVD Image
XMD - OmniMark Source Code
XMF - eXtensible Data Model and Format (XDMF)
XMF - Extensible Music File Format
XMF - Milnta APL Transfer Function
XMF - Mobile XMF File Format
XMFG - MediaForge Runtime Player Distribution Project
XMH - XMap Handheld Street Atlas USA Map and Route
XMI - EverQuest
XMI - Winamp Extended MIDI
XMI - XMill Compressed XML
XMI - XML Metadata Interchange Format
XML - Extensible Markup Language
XMLBACKUP - EnABLE Backup
XMO - Authorware Movie Driver
XMPSES - Premiere Elements DVD Marker
XMS - AutoCAD External Message
XMS - ViewCafT XML Markup Session
XMS - XMS - Tracker
XMT_TXT - Parasolid CAD
XMV - Milnta APL Transfer Function
XMX - AutoCAD External Message Compiled
XMX - Character Set
XMZ - Fasttracker 2 / Extended Module
XMZ - MegaView XGL Movie
XMZ - SofTeach Secure Exam
XNB - XNA Game Studio Express XNA Framework Content Pipeline Binary
XNF - Standard Network File Form
XNG - FishXing Culvert Data
XNG - OM2 911 Xchange Version 6 Document
XNK - Exchange Shortcut
XNML - NML Language Language Extension
XNT - Spice Pspice Library
XNT - W32 / Sober - AD
XOF - RenderMorphics
XOI - eZediaMX and eZedia Player Locked Presentation Document
XOM - OmniMark Source Code
XOS - Xaos Tools Bitmap Image
XOT - Xnetech Job Output
XP - System Utility
XP3 - TVP (Kirikiri) XPK3 Virtual File System
XPA - SoniqSync Extended Playlist
XPA - Xpandata DB Transfer Encrypted Compressed
XPB - XPB! Basic Source Code
XPC - ActionReplay Saved Code
XPD - Playstation Download Instruction
XPF - X - Protector Project
XPF - XaoS Position
XPIX - Nonogram Puzzle
XPJ - X - Pert for Windows
XPK - Spice Pspice Library
XPK - XPK Player Compressed Audio
XPK - Xscript Package
XPL - Music
XPL - WinExplorer Simple Script
XPL - X - Plane Plug-In
XPL - Xset Plug - ins
XPM - BMC Software Patrol UNIX Icon
XPM - DESQview Macro
XPM - X Pixmap Graphic
XPO - Expo Product Tours Project
XPO - Omega Research ProSuite
XPO - X - port Version 1
XPP - xCOMPOSER.pro Multimedia Data
XPR - exPresset CD Label
XPR - Expression 3 Graphic
XPR - XBMCTex / Xbox Media Center Graphic
XPS - MonkeyJam Exposure Sheet
XPS - X - port Version 2
XPS - XML Paper Specification
XPT - Dungeons & Dragons Core Rules 2
XPT - eXact Packager Models
XPT - XPCOM Type Library
XPTHEME - Winstyles Theme
XPTOC - XDIME Player Table of Contents
XPW - Accessible FormNet Fillable Form
XPW - Leading Market Technologies EXPO
XPX - Dungeons & Dragons Core Rules 2 with Expansion
XPX - RAFTS - XP Macro
XPX - XML Format
XPY - MarketBrowser
XPY - xpy Settings
XQL - XML Query Language (XQL)
XQT - SuperCalc Macro Sheet
XQT - Waffle Executable
XR - Chaos Desktop External Reference
XR - Unknown Apple II
XR1 - Epic MegaGames Xargon
XRC - wxWidgets wxPython Resource
XREF - AIX Cross Reference
XREF - Unknown Apple II
XRF - Cross Reference
XRF - Crossreference
XRG - Xscript Game Registry
XRM-MS - Microsoft Security Certificate
XRP - Experior Practice Management Report
XRS - Realplayer Plug - in External Resources
XRT - Revolution EDX Spectrum Export File in Xraytor Format
XRW - Architag XRay XML Editor
XS - Hummingbird Exceed
XS - Unknown Apple II
XS3 - XESS Worksheet
XS4 - XESS Worksheet
XS5 - XESS Worksheet
XS8 - SIMUL8
XSA - XSA Raw Disk Image
XSB - Sokoban++ Level
XSC - Transcribe! Transcription Document
XSC - XML Schema
XSC - Xscript Script
XSC - XVI32 Script
XSD - XML Schema
XSEND - Unknown Apple II
XSF - Milnta APL Transfer Function
XSI - Softimage XSI 3D Model
XSL - FileMaker Database Design Report Template
XSL - Steuer2001
XSL - XML Stylesheet
XSLT - XSL Transform
XSM - LEXIS - NEXIS Tracker
XSN - InfoPath Dynamic Form / Template
XSN - xyALGEBRA
XSO - Expresso Project
XSP - Cross Stitch Professional Design
XSPF - XML Shareable Playlist Format
XSQL - Oracle XSQL Servlet XSQL Template
XSS - Ability Office Spreadsheet
XSS - Cross Stitch Professional Design
XST - Easy Cross Cross Stitch Design (DOS Version)
XST - X - Tract XML Script
XSTEP - XStep DWI Maker
XSU - Fortran Libf77
XSUM - Clapack
XSW - Milnta APL Transfer Function
XT - FastTracker Music Track
XT* - Crosstalk Related
XTB - LocoScript External Translation Table
XTD - XML Type Definition
XTEL - Xtelplot File Format
XTG - QuarkXPress Tags
XTM - CmapTools Exported Topic Map
XTML - XML4web Virtual HTML
XTODVD - ConvertXtoDVD Project
XTP - XTree Data
XTP - XTreeGold Overlay
XTR - RealArcade Compressed Data
XTS - Babya Desktop Shell System Software Extension
XTS - CSPro
XTX - xText Source
XUF - Milnta APL Transfer Function
XUL - XML User Interface Language
XUW - Milnta APL Transfer Function
XV - Khoros Visualization Image
XVB - WinExplorer VB Script
XVC - Verge Compiled Game Code
XVG - GROMACS Output
XVID - XviD CODEC
XVM - VMware Virtual Machine Console
XVO - ratDVD Internal
XVP - Xview Package
XVS - Xview Scene Package
XVU - BOClean Database
XWB - Xbox Wavebank Audio Data
XWC - Crosstalk for Windows Compiled Script
XWD - Crossdown Puzzle
XWD - X Windows Dump
XWF - Yamaha XG Works
XWI - X - Wing Mission
XWK - Crosstalk Keyboard Mapping
XWP - Crosstalk for Windows Phone book
XWP - Crosstalk Session
XWP - Xerox Writer Text
XWP - XMLwriter XML Editor Project
XWS - Crosstalk for Windows Script
XWS - Xara Webstyle
XWZ - Xset Wizards
XWZ_1 - Xteq X - Setup
XX - Arcedit Temporary
XX - Xxencoded
XXA - Brixx Planner Account Detail Chart
XXD - Brixx Planner Calendar
XXE - Xxencoded
XXG - Brixx Planner Graph
XXI - GameSpy Arcade
XXL - Archive
XXP - Brixx Planner Plan
XXR - Brixx Planner Report
XXT - Extension DLL
XXX - Compucon / Singer PSW Embroidery Design
XXX - Controlware VJ400 Digital CCTV Recording
XXX - Paint Shop Photo Album Panorama
XXXX - Unknown Apple II
XXXXXX - allTunes Partial Download
XXY - SPARC Executable Script
XY - Unknown Apple II
XY - XYWrite Text
XY3 - XYWrite Text
XY4 - XYWrite IV Document
XY4V - XYWrite IV document
XYP - XYWrite III Plus Document
XYW - XYWrite Windows 4.0 Document
XYZI - 3rdTech Scanner
XYZRGB - XYZ RGB Graphic
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