Set the default sort order for contacts in Address Book
In Address Book, to set the default sort order for contacts, choose Address Book> Preferences, then click General and use the Sort By pop-up menu to choose whether to sort by first or last name.
Switch views in Address Book
In Address Book, press Command-1, Command-2, or Command-3 to switch to List and Card, Card Only, or Groups view, respectively.
Edit the card template in Address Book
In Address Book, to edit the card template and choose which fields appear on new cards by default, choose Address Book> Preferences, then click Template.
Send an email to a contact in Address Book
In Address Book, to send an email to a contact, click the label of the email address field on their card and choose "Send Email" from the pop-up menu.
Copy the map URL for an address in Address Book
In Address Book, click an address label (such as "home" or "work") on a card and choose Copy Map URL from the pop-up menu, to copy the URL from Google Maps for that address.
Rename a group on your Mac in Address Book
In Address Book, to rename a group on your Mac, select the group and choose Edit> Rename Group.
Make a FaceTime video call from Address Book
In Address Book, to make a FaceTime video call, click the label (work, mobile, etc.) next to a contact's phone number or email address and select FaceTime from the pop-up menu.
Share address cards from Address Book
In Address Book, to send your own or a contact's address card as an attachment to a new message in Mail, open the card then click the Share button.
Display a contact in a separate window in Address Book
In Address Book, double-click a contact in the list to display the contact's information in a separate, floating window.
Add a person's birthday to their card in Address Book
In Address Book, to add a person's birthday to their card, choose Card> Add Field and select Birthday from the menu.
Set the order of names displayed for a card in Address Book
To set the order of names (last name first or first name last) displayed for a selected card in Address Book, choose Card> Reorder.
Archive your address book file in Address Book
In Address Book, to archive your address book file so that you have a backup copy of it, choose File> Export> Address Book Archive.
Set the default font size in Address Book
In Address Book, to set the default font size for displaying contact information, choose Address Book> Preferences> General> Font Size.
Quickly show the details of an exported vCard
In the Finder, to quickly show the details of an exported vCard without opening Address Book first, select it then press Space to view it with Quick Look.
Add a URL from Safari to a card in Address Book
In Address Book, to add the URL from the frontmost page in Safari to a selected contact's card, choose Card> Add URL From Safari.
Add a custom picture to a card in Address Book
In Address Book, to add a custom picture to a contact's card, select their card, then choose Card> Choose Custom Image.
Magnify a phone number in Address Book
In Address Book, to magnify a phone number to make it easier to see, click the label (such as "work" or "home") next to it and select "Show in Large Type".
Copy a mailing label from an address in Address Book
To copy a mailing label from a contact's address in Address Book, click its field label ("home", "work", etc.) then select "Copy Mailing Label" from the menu.
Export separate vCards for multiple contacts from Address Book
In Address Book, to export separate vCards for multiple contacts, select them, then press and hold Option and drag them to your desktop.
Quickly create a vCard from Address Book
To create a vCard for a contact from Address Book, drag their card from the Address Book window and drop it onto your desktop.
Combine cards in Address Book
In Address Book, to combine information from multiple cards, Command-click each card to select them, then choose Card> Merge Selected Cards.
Find duplicates in Address Book
In Address Book, to find duplicate cards, or cards with the same contact name but different info, choose Card> Look for Duplicates.
Open an address from Address Book in Google maps
In Address Book, click the label ("home", "work", etc.) next to an address and choose "Map this Address" from the pop-up menu to open its location in Google maps.
Show group membership for a contact in Address Book
After selecting a contact in Address Book, press the Option key to highlight all of the groups in which they are a member.
Do a Spotlight search for names from Address Book
In Address Book, Control-click a contact and choose "Spotlight" from the pop-up menu to search for files containing their name on your Mac.