A vCard (or .vcf) is a file format standard for electronic business cards. vCards are often attached to e-mail messages, but can be exchanged in other ways, such as on the World Wide Web or instant messaging. They can contain name and address information, telephone numbers, e-mail addresses, URLs, logos, photographs, and audio clips.
To import an address book file called a vCard or .vcf file into your phone, tablet or computers address book, click the links below and follow the steps:
Apple:
https://support.apple.com/kb/ph3605?locale=en_US
Google:
https://support.google.com/mail/answer/183711?hl=en
Outlook:
https://support.office.com/en-us/article/Import-vCards-to-Outlook-contacts-70c6b31f-19f8-4033-8f2a-2ee8075e51aa
A couple of other related articles etc.:
Import multiple contacts from a vCard file (vcf-file)