How To Look Up Email Aliases in Outlook 2011 for Mac

1. In Outlook, click on the Contacts Search button on the Home Ribbon

 

 

2. Type in your name in the box and it will begin to show results as you type

 

 

3. Double-click on your name to bring up the properties window and then click on the details tab

 

 

 

4. In the Details tab, Scroll down until you see the Proxy Addresses. This will list all of your current aliases that exist in Office 365