First, save the contacts into a .csv format (export contacts from Outlook, export from Gmail account, etc.).

Open Contacts container from the user’s profile, in Windows Explorer, and click Import in the options panel:

Select the CSV (Comma Separated Values) and click Import:

In the new dialog box, locate the .csv file and hit Next:

and choose the fields that you want to import and press Finish:

The import will now start and the new dialog box will show the progress:

After the import is finished we will see all the contacts saved:

In order to export .csv contacts into .vcf format we will select all the contacts (or specific ones) and then click Export:

Select vCards (folder of .vcf files) and click Export:

We will select the location where the new .vcf files will be exported:

and then the export will start:

We will receive the confirmation for the export:

and we will see the new .vcf contacts: