You can easily convert Excel (.xls) file to vCard (.vcf) file using Windows Contacts or People app. Or use SysTools Excel to vCard Converter ...

Convert/Move Excel Contacts to the VCF vCard (.vcf): What is it? Another file format called Excel Contacts vCard (.vcf) is created specifically for storing contacts.

These methods can make your day easy when you apply to Convert from VCF to CSV to read and save such data that you have received in contact.