Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Document File Extensions

ExtensionsAssociations
xlshtmlMicrosoft Excel HTML Spreadsheet
xlslDocument Manager Locked Excel Document
xlsmMicrosoft Excel 2007 Document
xlsmhtmlMicrosoft Excel HTML Spreadsheet
xlstOnlyOffice Internal XLSX Document
xlsxMicrosoft Excel 2007 Document
xltMicrosoft Excel Template
xlthtmlMicrosoft Excel HTML Spreadsheet Template
xltmMicrosoft Excel 2007 Template
xltxMicrosoft Excel 2007 Template
xlvMicrosoft Excel VBA Module
xlwMicrosoft Excel Workbook Document
xlxmlMicrosoft Excel XML Worksheet
xlzOpen Language Tools XLIFF Archive
xmapXMind 2007/2008 Workbook
xmcdMathcad Worksheet Document
xmcdzMathcad Compressed Worksheet
xmctMathcad XML Worksheet Template
xmindXMind Workbook
xmlExtensible Markup Language File
xmnSprintometer Document
xmtRomulus 3D Modeler Data
xodSilverlight XPS Document
xovRapidform XOV 3D Model
xpdlXML Process Definition Language Document
xpfHomestead Sitebuilder Document
xpr3QuarkXPress for Mac Document
xpsXML Paper Document
xpwePriMus XML Exchange Document
xs3XESS Worksheet
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