Hi: To clarify: ODS MSOFFICE2K makes Microsoft Office 2000 HTML compliant files and the correct file extension for this file is .HTML or .HTM ODS TAGSET.EXCELXP makes an XML file that is ASCII text file and the file conforms to the Office 2003 Spreadsheet Markup Language XML specification -- the correct file extension for this file is .XML ODS EXCEL creates a compressed XML file that conforms of the Office Open XML Standard of 2007 (for .XLSX files) -- the correct file extension for this type of file is XLSX. Cynthia ... View more