Adding additional mailboxes to your Outlook account


How can I add additional mailboxes to my Outlook?


If you have been delegated access to additional mailboxes by your IT department, you can add those to your Outlook with the following steps.

Outlook for Windows

  1. In Outlook, click on the File tab in the top left corner.
  2. Click on Account Settings then select account settings again from the drop-down menu.
  3. In the new window that appears, double-click on the email account you would like to add mailboxes to (most likely your own)
  4. Click on More Settings... then click on the Advanced tab.
  5. Click Add... then type in the name of the mailbox you would like to add to your account and click OK.
  6. Once you've added the mailbox, click Apply, then OK.
  7. Close Outlook and re-open it and your mailbox will be added and will show up at the bottom of your list of mailboxes in the left column of Outlook. (Note: that it may take some time to fully load the contents of a recently added mailbox.)

Outlook for Mac

  1. With Outlook open click on the Outlook menu at the top of the screen, next to the Apple icon.
  2. Click on Preferences.
  3. Click on Accounts.
  4. Select your account and click on the Advanced button.
  5. Click on the Delegates tab at the top of the window.
  6. There are two sections. In the bottom section, click the + button.
  7. In the search box, put in the email address of the inbox you would like to add.
  8. Click OK until you are back at the Preferences window. You can now close the Preferences window.
  9. The inbox should show up on the sidebar below your regular email address. (Note: Keep in mind that it may take some time to fully load the contents of the inbox.)


  1. Login to UOmail with your Duck ID credentials
  2. Click on your profile icon in the upper-right corner
  3. In the drop-down menu, select Open another mailbox
  4. Enter the email address of the account in question - this will open the mailbox in a second tab in your browser.


Article ID: 44164
Mon 12/11/17 9:44 AM
Tue 6/28/22 10:06 AM