The only solution on the market that exports unlimited contacts from Excel files to vCard files is SYSessential Excel to vCard. The app is compatible with all versions of Microsoft Excel (2000/2003/2007/2010) as well as all versions of Windows (2000/2003/XP/Vista/7/8). Try the demo version of the app, which is completely free, to test the software's quality. Just two Excel contacts can be converted to vCard files in the demo version. You can purchase the FULL VERSION of SYSessential Excel to vCard Converter after you are pleased with the demo version.