The Excel 2007 XML file format.
The Excel 2007 Macro-Enabled XML file format.
The Excel 2007 Macro-Enabled Template XML file format.
The Excel 2007 Template XML file format.
The Excel 97-2003 BIFF8 file format.
The Excel 97-2003 Template BIFF8 file format.
The Strict Open XML file format (ISO/IEC 29500 Strict).
Represents the various file formats in which a workbook can be saved.