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Excel spreadsheet (xlsb)

The Excel Spreadsheet (XLSB) file format has the .xlsb extension. This file type originates from Microsoft Excel. However, other spreadsheet software can be used to display these files as well. These include:

MIME types

File signature

Microsoft Excel spreadsheets of version 2007 are stored in a ZIP archive file. These files therefore have the ZIP file signature

See Also

Excel Spreadsheet (xls)

Excel Spreadsheet (xlsx)

Excel 2007 Binary File format by Microsoft