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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:

  • OpenOffice

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