If you are looking for reliable method to export Excel files to vCard, then try using a reliable tool like Excel to vCard Converter. It is a best tool that converts spreadsheet contacts into vCard or VCF format. It supports all windows versions and is easy to use. It helps to convert contact details like names, phone, emails, address, title, etc., from Excel to vCard. It helps to convert XLS, XLSM, XLSB, XLTX/ XLSX to VCF.