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

Published: February 15, 2008 | Updated: March 12, 2008

On June 30, 2008, Microsoft published additional specifications for the Word, Excel and PowerPoint binary file formats. Microsoft recommends that developers use the more recent documentation located at http://msdn.microsoft.com/en-us/library/cc313118.aspx. See reference to these more recently published file formats below.

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

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Microsoft WordMicrosoft Word
Microsoft PowerPointMicrosoft PowerPoint
Microsoft ExcelMicrosoft Excel
Office DrawingOffice Drawing
Supporting TechnologiesSupporting Technologies

Microsoft Word

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

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Microsoft PowerPoint

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

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Microsoft Excel

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

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

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Office Drawing

Office Drawing 97-2007 Binary Format Specification PDF | XPS

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Supporting Technologies

See Supporting Technologies





























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