Microsoft releases pre-07 Office file specs »

Microsoft has released the specifications to the file formats in the pre-2007 Office suite.

The Microsoft Office binary file formats documentation provides detailed technical specifications for the .doc, .ppt .xls, and .xlsb file formats as created by the following Microsoft Office applications:

• .doc: Microsoft Word 97, Microsoft Word 2000, Microsoft Word 2002, Microsoft Office Word 2003, Microsoft Office Word 2007
• .ppt: Microsoft PowerPoint 97, Microsoft PowerPoint 2000, Microsoft PowerPoint 2002, Microsoft Office PowerPoint 2003, Microsoft Office PowerPoint 2007
• .xls: Microsoft Excel 97, Microsoft Excel 2000, Microsoft Excel 2002, Microsoft Office Excel 2003, Microsoft Office Excel 2007
• .xlsb: Microsoft Office Excel 2007