The attached file conforming to the OPC standard does not convert because it does not use the part names used by Excel.
Expected behaviour:
The converter should not rely on hard-coded names but should resolve the part relationships as described by Part 2 of the OpenXML specification.
Please also confer http://blogs.msdn.com/dmahugh/archive/2007/09/11/open-xml-implementation-test-documents.aspx
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This bug has been excluded from scope of v1.1 by Pradeep, since more important bugs need to be fixed.
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r4411 (addin)
Bug still exists.
R5246
Office 2003
The file is converted to ODS now, but its content is lost.