Teach you to export all contacts on your Mac

Address Book information is both important and useful data, whether it's mobile devices or desktop devices. Mac makes it easy to export address book data, whether you want to share or export an entire address book or a single contact card, OS X lets you do it quickly, and today we're going to show you how to export all your contacts.

Exporting contact information from your MAC address Book can also be thought of as a backup of your contact data, which you can save as a single VCard file or as a. abbu file that allows you to import contacts into different address books or other address book apps on your Mac later.

How to export all contacts from the Address Book app in OS X

　　1. Open the Contacts app in OS X

　　2. Click "All Contacts" from the left menu and click Command+a to select All

　　3. from the Contacts menu, click "File", find "Export", and then select one from "Export VCard" or "Contacts Archive"

　　4. Save the file as usual and place the exported address book where it is easy to find, such as the desktop