File formats: X

Every format whose extension starts with X.

Formats

FormatNameAboutMain software
.XDirectX modelMicrosoft’s Direct3D model format: an xof header, then nested template objects.DirectX ViewerDocumentedViewerEditorOpen
.X3DExtensible 3DThe ISO standard for interactive 3D scenes, the successor to VRML.Castle Model ViewerDocumentedViewerEditorOpen
.X3GMakerBot binary print fileBinary s3g commands for MakerBot Replicator-era printers, converted from G-code.GPXDocumentedViewerEditorOpen
.XARExtensible archiveAn archive with an XML table of contents, used inside macOS .pkg files.xarDocumentedViewerEditorOpen
.XBMX BitMapBlack and white X Window System images, written as C source code.GIMPDocumentedViewerEditorOpen
.XCFGIMP imageGIMP’s working file, with layers, channels and paths in tiles.GIMPDocumentedViewerEditorOpen
.XCODEPROJXcode projectXcode projects: a folder whose project.pbxproj lists files, targets and settings.XcodeDocumentedViewerEditorOpen
.XLSExcel 5.0 and 95 workbook (BIFF5)Excel 5.0 and 95 workbooks: BIFF records in a compound file’s Book stream.Microsoft ExcelDocumentedViewerEditorOpen
.XLSExcel 97–2003 workbook (BIFF8)Excel 97–2003 workbooks: BIFF records and a shared string table in a compound file.Microsoft ExcelDocumentedViewerEditorOpen
.XLSExcel binary workbookExcel’s binary workbook before XLSX: BIFF records, in BIFF5 and BIFF8 versions.Microsoft ExcelDocumentedViewerEditorOpen
.XLSBExcel binary workbookExcel’s binary workbook since 2007: the XLSX package with binary records instead of XML.Microsoft ExcelDocumentedViewerEditorOpen
.XLSXExcel workbookMicrosoft Excel’s ZIP package of sheets, shared strings and styles.Microsoft ExcelDocumentedViewerEditorOpen
.XMFastTracker 2 Extended ModulePC tracker song: packed patterns and multi-sample instruments with envelopes.OpenMPTDocumentedViewerEditorOpen
.XMLExtensible Markup LanguageNested elements with tags and attributes, written as text.Visual Studio CodeDocumentedViewerEditorOpen
.XPMX PixMapColour X Window System icons written as C strings, one character per pixel.GIMPDocumentedViewerEditorOpen
.XPSXML Paper SpecificationMicrosoft’s fixed pages: XML page descriptions, fonts and images in a ZIP package.XPS ViewerDocumentedViewerEditorOpen
.XSPFXML Shareable Playlist FormatXiph’s open XML playlist: a trackList of locations, titles and durations.VLC media playerDocumentedViewerEditorOpen
.XYZText point cloudThe plainest point cloud: one line of X, Y and Z per point, often with extra columns.CloudCompareDocumentedViewerEditorOpen
.XZXZ compressed fileOne file compressed with LZMA2, in indexed, checked blocks.7-ZipDocumentedViewerEditorOpen
.X_TParasolid modelExact solids saved by the Parasolid kernel, shared between SolidWorks, NX and others.SolidWorksDocumentedViewerEditorOpen