Business card data can be output in CSV format viewable in Excel.
Select the business card data you want to be output in the main window of ScanSnap Home, then perform the following procedure:
Windows
In the menu that appears when you right-click the data, select [Output the file] → [Output business card information] → [CSV.(Comma delimited) (*.csv)].
Mac OS
In the menu that appears when you click the data while pressing the [control] key on the keyboard, select [Export] → [Output business card information] → [CSV.(Comma delimited) (*.csv)].
For details:
ScanSnap Help
(Select the model name of the ScanSnap at the top of the page)