Contacts that are stored in the Outlook and Address Book contact applications can be organized in groups of similar entries. The Outlook program does not let you save entire groups as a VCF file though it does let you save them individually. Address Book, on the other hand, lets you save an entire group as a VCF file with a single click. In both cases, you can save your group contacts as VCF files directly within the application. Writer Bio

How to Create a VCF File of Group Contacts  8 Steps  - 70