Print mailing labels, envelopes, and contact lists in Contacts on Mac ... If you want to print a return address label, select your contact card. Choose File > Print. Click the Style pop-up menu, then choose Mailing Labels. If you don't see the Style pop-up menu, click Show Details near the bottom-left corner. Click Layout or Label to customize mailing labels. Layout: Choose a label type, such as Avery Standard or A4.