Note that the 'Browse Other Backup Disks.' option accessed by Option-clicking the Time Machine menu bar icon really means 'Browse Other Backup Disks for the current device'. Open Contacts.app then 'Enter Time Machine' from menu bar icon to restore ( H/T). Contacts.app needs to be closed before attempting all methods but the first. Back up, back up, back up and understand what you are doing. No consideration is given here to iCloud Contacts sync (though thermo2's 20-step procedure is reproduced below without prejudice). Or any other backup of ~'/Library/Application Support/AddressBook/'. Restore macOS Contacts from Time Machine backup # Restore macOS Contacts from Time Machine backup
