Meta bug related to Microsoft Office XML formats issues (not to be confused with OOXML). - Microsoft Office Word 2003 XML Format — WordProcessingML or WordML (.XML) - Microsoft Office Excel 2002 and Excel 2003 XML Format — SpreadsheetML (.XML) - Microsoft Office Visio 2003 XML Format — DataDiagramingML (.VDX, .VSX, .VTX) - Microsoft Office InfoPath 2003 XML Format — XML FormTemplate (.XSN) - Microsoft Office InfoPath 2003 XML Format — XMLS FormTemplate (.XSN)