| .X |
DirectX 3D Model File |
| .X_B |
Parasolid Model (binary transmit file) |
| .X_N |
Parasolid CAD format |
| .X_T |
Parasolid Model (text transmit file) |
| .X-APE |
JRiver Media Center data |
| .X-DIVX |
JRiver Media Center data |
| .X-MS-WMA |
JRiver Media Center data |
| .X-MS-WMV |
JRiver Media Center data |
| .X-MUSEPACK |
JRiver Media Center data |
| .X-PNG |
Portable (Public) Network Graphic Bitmap |
| .X00 |
Esri ArcInfo export data |
| .X01 |
Corel Paradox Secondary Index |
| .X02 |
Corel Paradox Secondary Index |
| .X03 |
Corel Paradox Secondary Index |
| .X04 |
Corel Paradox Secondary Index |
| .X05 |
Corel Paradox Secondary Index |
| .X06 |
Corel Paradox Secondary Index |
| .X07 |
Corel Paradox Secondary Index |
| .X08 |
Corel Paradox Secondary Index |
| .X09 |
Corel Paradox Secondary Index |
| .X0V |
Yamaha Motif audio |
| .X1 |
X1 Desktop Search Saved Search |
| .X10 |
X Window Bitmap Dump |
| .X11 |
X Window System Bitmap Image |
| .X13 |
Hooligans Game Archive |
| .X16 |
Macromedia extra document |
| .X1S |
X1 Desktop Search saved search data |
| .X1Z |
X1 saved search archive |
| .X20 |
XTree Gold For Dos Help |
| .X2FND |
xplorer² saved search |
| .X32 |
Adobe Xtra file |
| .X36 |
Xplorer360 data |
| .X3A |
MOTIF XF |
| .X3D |
Extensible 3D (X3D) Scene File |
| .X3DB |
X3D Binary Format |
| .X3DV |
Web3D X3D Graphics Image |
| .X3F |
Sigma Camera RAW picture file |
| .X3G |
MakerBot MakerWare Document |
| .X3V |
Yamaha Motif audio |
| .X40 |
XtreeGold Dos Help |
| .X4K |
XML4King Configuration File |
| .X50 |
XtreeGold Dos Help |
| .X60 |
XTree Gold For Dos Help |
| .X64 |
Commodore 64 emulator disk image |
| .X6V |
Yamaha Motif audio |
| .X70 |
XTree Gold For Dos Help |
| .X80 |
Xtree Gold Dos Help |
| .X86 |
Microsoft Office dynamic link library |
| .X90 |
XTree Gold For Dos Help |
| .XA |
Sony PlayStation audio/video file |
| .XA0 |
Xtree Gold Dos Help |
| .XA2 |
XWE data |
| .XA30 |
XWE file |
| .XAA |
XML audit data |
| .XAB |
Microsoft Outlook Express Address Book |
| .XAC |
SimCity Societies Game |
| .XAD |
EXotic ADlib Sound Format |
| .XADD |
Expression Web Add-in |
| .XADML |
Amiga Forever XADML |
| .XAF |
Microsoft Active VRML file |
| .XAIML |
XAIML database file |
| .XAM |
Version 2 Examiner Corporation assessment item bank |
| .XAML |
Windows Markup File |
| .XAMLX |
XAMLX document file |
| .XAN |
Worms 3D map file |
| .XAP |
Silverlight / Windows Phone Application Package |
| .XAPK |
Google Android XAPK application package |
| .XAPPL |
Virtual Application Studio XML application configuration file |
| .XAR |
Xara Designer Vector Graphics File |
| .XARC |
The Longest Journey Audio |
| .XAS |
PTC Pro/Engineer assembly file |
| .XAV |
Final Draft AV Document |
| .XAVC |
Sony XAVC Video Format |
| .XB0 |
Xtree Gold Dos Help |
| .XBA |
Timespace Technology video file |
| .XBAP |
Microsoft Silverlight application package |
| .XBB |
DVIPDFMx Output |
| .XBC |
SMART Notebook file |
| .XBD |
JAXB Schema |
| .XBDOC |
Xiosis Scribe Document |
| .XBDR |
Darkroom Booth template |
| .XBE |
Xbox executable file |
| .XBEL |
Bookmark Exchange Language file |
| .XBF |
Emperor Battle For Dune |
| .XBK |
SMART Notebook file |
| .XBL |
XBLite source code file |
| .XBLR |
Output Raw XBRL |
| .XBM |
X Windows system bitmap image |
| .XBML |
SAP Business One Studio workflow process data |
| .XBMML |
Braille Music Score |
| .XBMP |
Area 51 Game |
| .XBN |
Xnick Nick Backup |
| .XBPLATE |
Xiosis Scribe Template |
| .XBRL |
eXtensible Business Reporting Language Instance Document |
| .XBS |
XnView script |
| .XBSAV |
Mass Effect 2 for Xbox saved game file |
| .XBT |
SMART Notebook template file |
| .XBX |
Xbox Icon Or Picture |
| .XC0 |
Xtree Gold Dos Help |
| .XC3 |
Cast3D 3D Scene |
| .XCAPPDATA |
Apple Xcode application data file |
| .XCARCHIVE |
Xcode Archive |
| .XCCOLORTHEME |
Xcode color theme data |
| .XCCONFIG |
Apple Xcode Configuration Settings |
| .XCCRASHPOINT |
Xcode crash point data |
| .XCDATAMODEL |
Xcode core data model file |
| .XCDATAMODELD |
Xcode Core Data Model File |
| .XCEL |
Microsoft Excel For Mac Spreadsheet |
| .XCESESSION |
PDF-XChange Editor data |
| .XCF |
GIMP Image (eXperimental Computing Facility) |
| .XCH |
LinkAssistant Project Settings |
| .XCI |
Nintendo Switch Cartridge Image |
| .XCL |
XTree For Windows Script |
| .XCLP |
Microsoft Research Cliplets project |
| .XCM |
CmapTools Exported Concept Map |
| .XCN |
GenePattern XCN data |
| .XCO |
Xilinx CORE Generator Log |
| .XCODE |
Xcode development project file |
| .XCODEPLUGIN |
Apple Xcode Extension |
| .XCODEPROJ |
XCode project file |
| .XCOF |
Mac OS Object Library |
| .XCON |
Conceal Encrypted Data |
| .XCORPUS |
Xaira Corpora |
| .XCP |
XLNT Command Procedure |
| .XCPLUGIN |
Apple Xcode Extension |
| .XCPLUGINDATA |
Xcode Plug-in Data |
| .XCR |
Warlords Battlecry Game |
| .XCSCHEME |
Apple Xcode Scheme |
| .XCSL |
CineStyle color correction settings file |
| .XCSNAPSHOTS |
Xcode Snapshot |
| .XCT |
XVI32 Conversion |
| .XCTL |
LabVIEW XControls |
| .XCU |
OpenOffice.org extension control file |
| .XCUSERSTATE |
Xcode |
| .XCWORKSPACE |
Xcode Workspace File |
| .XD |
Adobe XD Design Document |
| .XD0 |
XtreeGold Dos Help |
| .XDA |
Sencha Architect Project |
| .XDB |
HyperCD HyperLOCK file |
| .XDC |
Total Commander With DarkCrypt IV Plug-in Encrypted |
| .XDELTA |
xdelta Differential File |
| .XDF |
Externally Defined Function |
| .XDFL |
XDFL Configuration |
| .XDI |
WinArchiver compressed ISO image file |
| .XDL |
MS SQL Server XML schema file |
| .XDNA |
DNAStrider sequence data |
| .XDO |
Oracle BI Publisher Resource Tracking |
| .XDOC |
QuarkXPress 3.0 Document |
| .XDOCLET |
JBoss XDoclet Reference |
| .XDP |
Acrobat XML data package file |
| .XDR |
XML data reduced file |
| .XDS |
LCDStudio design file |
| .XDT |
Win-Test Extra Data |
| .XDU |
Backdoor.Win32.PcClient.xdu |
| .XDV |
XeTeX |
| .XDW |
DocuWorks Document |
| .XDXF |
XML Dictionary eXchange Format |
| .XE0 |
XtreeGold Dos Help |
| .XEF |
X-Genics eManager form data file |
| .XEJ |
Microsoft Expression Encoder job file |
| .XEL |
Microsoft Expression Encoder 3.0 live jobs file |
| .XEM |
Sybase PowerDesigner model definition file |
| .XEN |
Guitar Hero III Data File |
| .XENSEARCH |
XenCenter Saved Search File |
| .XEO |
Signwave Auto-Illustrator Extension |
| .XEP |
eManager file packing definition |
| .XEQ |
Sage MAS 90 Data |
| .XER |
Primavera Project Management Propriety Exchange Format |
| .XES |
X-Genics eManager skins definition |
| .XESC |
Microsoft Expression Encoder Screen Capture File |
| .XET |
X-Genics eManager process definition |
| .XEV |
X-Genics eManager auto-update file |
| .XEVGENXML |
Adobe Dreamweaver |
| .XEX |
Xbox 360 Executable |
| .XEZ |
X-Genics eManager template package |
| .XFA |
OneCncXR CAD |
| .XFBIN |
Naruto Shippuden: Ultimate Ninja Storm 2 |
| .XFC |
X-Fonter Font Collection |
| .XFD |
Adobe XFDL format XML form file |
| .XFDF |
XML Forms Data Format |
| .XFDL |
Extensible forms description language file |
| .XFF |
XFRX Database Output |
| .XFI |
XICE Desktop Encrypted |
| .XFL |
Adobe Flash Exchange file |
| .XFM |
OmniForm XML |
| .XFN |
Corel Ventura printer font |
| .XFO |
XSL-FO formatted form |
| .XFP |
Microsoft SharePoint Extending Form Library Properties |
| .XFR |
Ventura Publisher bitmap editor font file |
| .XFS |
Gunbound file |
| .XFSF |
BestSync settings |
| .XFT |
Adobe Form Designer form |
| .XFZ |
French FlashCards Vocabulary |
| .XG0 |
Corel Paradox Secondary Index |
| .XG1 |
Corel Paradox Secondary Index |
| .XG2 |
Corel Paradox Secondary Index |
| .XG3 |
Corel Paradox Secondary Index |
| .XG4 |
Corel Paradox Secondary Index |
| .XG5 |
Corel Paradox Secondary Index |
| .XG6 |
Corel Paradox data |
| .XG7 |
Corel Paradox data |
| .XG8 |
Corel Paradox data |
| .XG9 |
Corel Paradox data |
| .XGA |
Diamond Mind Baseball Game Account Information |
| .XGD |
Xbox 360 Game Disc Layout |
| .XGDW |
GDevelop extension |
| .XGL |
XGL 3D CAD Model |
| .XGLL |
EASE SpeakerLab Text |
| .XGML |
Graph Modeling Language XML file |
| .XGMML |
XGMML graph file |
| .XGO |
GeoConcept Add-on |
| .XGP |
Xfire Profile Patcher game list file |
| .XGS |
Disk image file |
| .XHB |
HomeBank Data |
| .XHP |
OpenOffice.org Extension Help Format |
| .XHT |
Extensible HyperText Markup Language file |
| .XHTM |
Extensible HTML file |
| .XHTML |
Extensible HyperText Markup Language Document |
| .XI |
Fastracker 2.0 instrument file |
| .XIB |
Apple Interface Builder file |
| .XIC |
DIF Freedom data |
| .XID |
Visual Localize XML import definition |
| .XIF |
Xerox eXtended Image file |
| .XIG |
XML Instance Generator |
| .XIL |
Xilize |
| .XILINC |
Xilize Defintion |
| .XILIZE |
Xilize Configuration |
| .XIM |
X11 Xim Toolkit Bitmap |
| .XIMG |
GEM Raster format |
| .XIN |
OmniMark Include |
| .XIP |
Xbox Dashboard |
| .XISE |
Xilinx ISE Project File |
| .XISO |
Xbox ISO |
| .XIT |
SpatialAnalyzer |
| .XIT64 |
SpatialAnalyzer |
| .XIX |
IIS NNTP Subject Lists |
| .XIZ |
Ximinez |
| .XJB |
OEPE JAXB Wizard Bindings |
| .XJE |
XJEase source code |
| .XJF |
OmniPage data |
| .XJT |
Compressed GIMP Image |
| .XKB |
X Keyboard extension data |
| .XKM |
X KeyBoard |
| .XKR |
Sing Magic karaoke song |
| .XL |
Microsoft Excel Spreadsheet (legacy) |
| .XLA |
Microsoft Excel 97-2003 Add-In |
| .XLA_ |
Microsoft Excel 4 For Mac Add-in |
| .XLA5 |
Microsoft Excel 5 For Mac Add-in |
| .XLA8 |
Microsoft Excel 98 For Mac Add-in |
| .XLAM |
Microsoft Excel Macro-Enabled Add-In |
| .XLAMENX |
Egis Encrypted Excel XLAM |
| .XLAUNCH |
Xlaunch settings |
| .XLB |
Microsoft Excel Toolbar Settings File |
| .XLB4 |
Microsoft Excel 4 For Mac Toolbars |
| .XLB5 |
Microsoft Excel 5 For Mac Toolbars |
| .XLB8 |
Microsoft Excel 98 For Mac Toolbars |
| .XLBN |
Microsoft Excel 1 For Mac Toolbars |
| .XLC |
Microsoft Excel Chart file |
| .XLC_ |
Microsoft Excel 2 For Mac Chart |
| .XLC3 |
Microsoft Excel 3 For Mac Chart |
| .XLC4 |
Microsoft Excel 4 For Mac Chart |
| .XLD |
Microsoft Excel dialogue file |
| .XLDB |
AQUA Data |
| .XLE |
Cooktop file |
| .XLF |
XLIFF Localization File |
| .XLG |
AutoCAD External Reference Log |
| .XLGC |
ExpressK Database File |
| .XLI |
SIEMENS PLM Software NX 7.5 Log |
| .XLIFF |
XLIFF Localization File |
| .XLINE |
xLine mind map |
| .XLIST |
xList document |
| .XLK |
Microsoft Excel Backup File |
| .XLKF |
ABB license key |
| .XLL |
Microsoft Excel add-in file |
| .XLL_ |
Microsoft Excel 4 For Mac Add-in |
| .XLM |
Excel 4.0 Macro Sheet |
| .XLM_ |
Microsoft Excel 2 For Mac Macro |
| .XLM3 |
Microsoft Excel 3 For Mac Macro |
| .XLM4 |
Microsoft Excel 4 For Mac Macro |
| .XLMV |
Thunder Mall video file |
| .XLMX |
Microsoft Excel Macro-enabled Spreadsheet |
| .XLNK |
XML Link file |
| .XLO |
Autodesk Inventor Export Journal |
| .XLOG |
Logging XML database log |
| .XLP |
XL-Paint picture image |
| .XLPF |
Microsoft Excel For Mac Setting |
| .XLR |
Microsoft Works Spreadsheet |
| .XLS |
Microsoft Excel 97-2003 Workbook (Binary Interchange File Format, BIFF8) |
| .XLS_ |
Microsoft Excel For Mac Spreadsheet |
| .XLS3 |
Microsoft Excel 3 For Mac Spreadsheet |
| .XLS4 |
Microsoft Excel 4 For Mac Spreadsheet |
| .XLS5 |
Microsoft Excel 5 For Mac Spreadsheet |
| .XLS8 |
Microsoft Excel 98 For Mac Spreadsheet |
| .XLSB |
Microsoft Excel Binary Workbook |
| .XLSE |
Document Manager encrypted Excel spreadsheet |
| .XLSENX |
Egis Encrypted Excel XLS |
| .XLSHTML |
Microsoft Office Excel HTML document file |
| .XLSL |
Document Manager locked Excel spreadsheet |
| .XLSM |
Microsoft Excel Macro-Enabled Workbook (Open XML) |
| .XLSMHTML |
Microsoft Excel MIME HTML spreadsheet file |
| .XLST |
OnlyOffice online office converted xlsx spreadsheet |
| .XLSX |
Microsoft Excel Open XML Workbook |
| .XLSXE |
Document Manager encrypted Excel spreadsheet |
| .XLSXENX |
Egis Encrypted Excel XLSX |
| .XLSXL |
Document Manager locked Excel Open XML workbook |
| .XLT |
Microsoft Excel 97-2003 Template |
| .XLTBCD |
XL Toolbox chart design |
| .XLTBSESSION |
XL Toolbox session data |
| .XLTHTML |
Microsoft Office Excel HTML template file |
| .XLTM |
Microsoft Excel Macro-Enabled Workbook Template |
| .XLTX |
Microsoft Excel Open XML Workbook Template |
| .XLV |
Microsoft Excel VBA module file |
| .XLW |
Microsoft Excel Workspace file |
| .XLW_ |
Microsoft Excel 2 For Mac Workbook |
| .XLW3 |
Microsoft Excel 3 For Mac Workbook |
| .XLW4 |
Microsoft Excel 4 For Mac Workbook |
| .XLW5 |
Microsoft Excel 5 For Mac Workbook |
| .XLX |
XoloX incomplete download file |
| .XLXML |
Microsoft Excel XML Worksheet |
| .XLZ |
Crossword Power Tools Crossword Library |
| .XM |
FastTracker 2 instrument |
| .XM3 |
Examiner Corporation assessment item bank |
| .XMAP |
CodeWarrior linker file |
| .XMB |
XML Binary Data File (Age of Empires / Ensemble Studios) |
| .XMBCLP |
X-Mouse Button Control file |
| .XMBCS |
X-Mouse exported profile |
| .XMBL |
Logger Pro data |
| .XMC |
Lingoes Configuration |
| .XMCD |
PTC Mathcad Worksheet File (XML) |
| .XMCDZ |
PTC Mathcad compressed worksheet file |
| .XMCF |
FileMaker custom function |
| .XMCT |
Mathcad template file |
| .XMD |
GameJack virtual CD or DVD image file |
| .XMDX |
SofTest answer data |
| .XME |
GME |
| .XMEF |
TextMap Evidence Format |
| .XMF |
Extensible Music Format File |
| .XMFD |
FileMaker Pro data |
| .XMG |
The Longest Journey XMG |
| .XMI |
Miles Sound System extended MIDI files |
| .XMIND |
XMind Mind Map Workbook |
| .XMIT |
IBM XMIT Data |
| .XML |
Extensible Markup Language Document |
| .XML-LOG |
XML log |
| .XML-PREV |
VirtualBox XML Settings Backup |
| .XMLA |
XML For Analysis Source |
| .XMLC |
ASP.NET compiled XML data |
| .XMLJET |
Eclipse JET XML Template |
| .XMLO |
FileMaker Pro data |
| .XMLPER |
LeCroy Binary waveform file |
| .XMLR |
ByteShift sitescan result |
| .XMLS |
Microsoft Excel 2003 XML |
| .XMLTV |
Prog Guide xmltv data |
| .XMLX |
Excel Spreadsheet |
| .XMM |
GEX MP3 satellite receiver saved file |
| .XMMAP |
MindManager XML Map file |
| .XMMAS |
MindManager XML Theme |
| .XMMAT |
MindManager XML Template |
| .XMMMP |
MindManager Pro map part |
| .XMO |
Adobe Authorware Movie Driver |
| .XMOD |
Datawatch Monarch Model |
| .XMP |
Extensible Metadata Platform (sidecar metadata file) |
| .XMPS |
FICO Xpress Optimizer matrix data |
| .XMPSES |
Adobe Premiere Elements |
| .XMPSKIN |
XMPlay Skin |
| .XMPTF |
TextMap portable transcript data |
| .XMPZ |
Miradi XML project file |
| .XMS |
Microsoft EXtended Memory Specification |
| .XMSC |
FileMaker script |
| .XMSS |
FileMaker script |
| .XMT |
XMind Workbook Template |
| .XMT_BIN |
Parasolid document binary format |
| .XMT_NEU |
Parasolid CAD format |
| .XMT_TXT |
Parasolid CAD format |
| .XMTA |
Microsoft Visual Studio XMTA Document |
| .XMTB |
FileMaker table |
| .XMU |
XWE data |
| .XMV |
Microsoft Xbox video file |
| .XMWX |
SofTest working data |
| .XMX |
AutoCAD External Message Compiled |
| .XMZ |
Fasttracker 2 extended module file |
| .XMZX |
SofTest exam data |
| .XN |
Cygnus Ld-scripts |
| .XNB |
XNA Game Studio Compiled Content |
| .XND |
ExNode Download |
| .XNF |
Extensible Numerical |
| .XNK |
Microsoft Exchange shortcut file |
| .XNODE |
LabVIEW |
| .XNOTE |
XNote for Thunderbird preferences |
| .XNP |
XnView Addon |
| .XNT |
Spice Pspice Library File |
| .XNV |
NVision Layout |
| .XOB |
EasyBuilder 8000 Compiled Code |
| .XOF |
RenderMorphics Reality Lab 3D image file |
| .XOJ |
Xournal journal data |
| .XOJO_BINARY_MENU |
Xojo Binary Menu |
| .XOJO_BINARY_PROJECT |
Xojo Binary Project |
| .XOJO_BINARY_TOOLBAR |
Xojo binary toolbar file |
| .XOJO_BINARY_WINDOW |
Xojo Binary Window |
| .XOJO_MENU |
Xojo Menu |
