Email, Messaging, & Video Calls Email How to Add a Sender to OS X Mail Contacts Quickly By Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated February 24, 2020 PeopleImages / Getty Images Email Yahoo! Mail Gmail Tweet Share Email You can set up an easy keyboard shortcut for adding people to your address book. It's a good habit to add just about everyone who sends you an email to your address book. Who knows what once it could be good for, right? Mac OS X Mail helps with this obsession as it offers a handy shortcut that lets you add any sender to the address book quickly. Add a Sender to the Mac OS X Mail Address Book Open a message from the sender you wish to add.Press Command+Shift+Y.If the keyboard shortcut is not working, see below for adding it.You can also select Message > Add Sender to Contacts from the menu. This adds the sender's email address (together with her name, if one appears in the From: line) to the address book without asking any questions. If you want to edit the newly added contact (to assign a picture to it, for example), open Contacts separately. Keyboard Shortcut for Adding Senders in OS X Mail To set up a keyboard shortcut for adding senders to the address book in OS X Mail: Select Apple > System Preferences… Open the Keyboard section. Go to the Shortcuts tab.Select App Shortcuts.Click +.Make sure Mail is selected under Application:.Type “Add Sender to Contacts” under Menu Title.Click on the Keyboard Shortcut field.Press Command+Shift+Y.Click Add.