Check Map All Columns option at bottom right side of software to trigger software AI to default map your CSV contacts columns agaianst vCard fields.
Now, check the options you want the software to handle during the conversion process. Checking this option will allow software to convert contacts with empty email address fields. It can create a single vCard file for all contacts and create individual .vcf for each contact present in the selected Excel sheet.
This Excel to vCard Converter tool supports all versions of vCards i.e. v 2.1, 3.0 & 4.0
After this click on Convert button to start the conversion process.
During the conversion, software shows a number of empty email addresses and number of contacts added into vCards.
Then after the completion of the conversion process, software will display a confirmation screen as follows: