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Is there a complete reference or documentation for Spreadsheet Markup Language? Which was used to create files in MS-Excel, Openoffice Calc etc, similar to XML?

ss_mj
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The OfficeOpenXML format used by Excel2007 and above for .xlsx files is detailed on the ECMA site.

The SpreadsheetML format available as an option since Excel2003 is published by Microsoft.

The Open Document Format used by OpenOffice Calc (OASIS)

For reference, the old MS BIFF formats (.xls for Excel) are published online by Microsoft

Mark Baker
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