This article explains where to find the Address Book feature on Outlook.com and how to use it. Instructions apply to Outlook.com and Outlook Online.

You won't find an address book on Outlook.com. Instead, search for People to find your contacts, groups, and lists. You also use People to edit, add, and delete items. You can open People on Outlook.com with your mouse or a keyboard shortcut.

To view your contacts in Outlook.com:

Sign in to the Office.com portal.