Worry-Free Business Security 7.0
Only importing/exporting within the same version is supported (i.e. export from WFBS 7; import into WFBS 7)
Worry-Free Business Security 8.0/9.0/9.5
Select a valid data file with a .dat extension.
Currently, Worry-Free Business Security only supports importing and exporting within the same version of WFBS.