Still, MS Excel is the preferred tool in many offices to work with data, in any way. Of course there is always the possibility to transfer data directly from the SAP Business One tables to MS Excel.
The tool SAP 2 Excel does something more. The program is actually an Excel addin, that makes it possible to retrieve data from SAP Business One dynamically from the Microsoft program.
On the website of the British SAP partner you can get a 30-day trial version.