The only program that can reliably read XLSB worksbooks is Microsoft Excel, the software that was used to save the .xlsb files in first place. These are saved in special binary format instead the standard XML-based one, but the data can also be export and saved in other formats, including CSV.
It might be possible that some other 3rd party spreadsheet programs also support .xlsb format, but using the original software is usually the better choice.Open XLSB file Open CSV file
Spreadsheet program from OpenOffice.org productivity suite
Full-featured spreadsheet tool from LibreOffice suite
A popular spreadsheet application distributed with Microsoft Office suite
A popular spreadsheet application from the Microsoft Office suite