Is Microsoft going baseplane? Lots of people are going towards web based office in many ways, it is wise to release and allow people to export to these formats cleanly.

Microsoft Office Binary (doc, xls, ppt) File Formats

Published: February 15, 2008

The documents listed below are covered by the Microsoft Open Specification Promise.

Microsoft Word

Word 97-2007 Binary File Format (.doc) Specification PDF | XPS

Microsoft PowerPoint

PowerPoint 97-2007 Binary File Format (.ppt) Specification PDF | XPS

Microsoft Excel

Excel 97-2007 Binary File Format (.xls) Specification PDF | XPS

Excel 2007 Binary File Format (.xlsb) Specification PDF | XPS

Office Drawing

Office Drawing 97-2007 Binary Format Specification PDF | XPS

Supporting Technologies

See Supporting Technologies

Yes you have reached the twilight zone… do-de-do-do.