Change General preferences in Contacts on Mac
Use General preferences in Contacts to choose how names and addresses are shown on contact cards.
To change these preferences in the Contacts app on your Mac, choose Contacts > Preferences, then click General.
Show First Name
Display contacts’ first names before or after last names.
This setting determines the order of the names in the card template in Contacts Template preferences.
Sort contacts by first or last name.
Short Name Format
Choose how contacts’ names appear in apps like Mail.
Choose to show nicknames for contacts if one is available. A contact needs a nickname field for a nickname to appear.
Show contacts Siri found in Apps
Include suggested contacts from other apps like Mail.
Choose a region’s address format to use to display addresses.
If you use multiple accounts in Contacts, choose the one where you want to add new contacts by default.