Conversion of xls files to xlsb file format

xls to xlsb conversion essentially describes resaving between various MS Excel formats. You can create Excel binary workbook (.xlsb) from standard spreadsheets (.xls) in Microsoft Excel itself, using the standard File ► Save..  found in the program. It can also be done in other spreadsheet programs with Excel support. Used to create binary files that load much faster compared to standard spreadsheets.

Open XLS file    Open XLSB file

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