The Address Book feature is available for free with up to 5 contacts. To use it, you’ll need to create a my.anydesk account.
If you need more contacts, you can upgrade your license:
Solo license: Up to 100 contacts in one Address Book.
Standard license: 1 personal Address Book (unlimited contacts) and up to 5 company Address Books (each with unlimited contacts).
Advanced license: 1 personal Address Book (unlimited contacts) and up to 15 company Address Books (each with unlimited contacts).