You must have been given permission to access the additional mailbox before it can be added to Outlook.

To request permission to the mailbox, please have the owner of the account contact us.

Old Outlook

Step 1: Click the File tab

Step 2: Click Account Settings

Click the Account Settings box and then the Account Settings… option.
 

Step 3: Click Change

Make sure your UCCS email is highlighted and then click the Change… option.
 

Step 4: Set Keep Mail to 1 Month

Move the slider next to Mail to keep offline to 1 month.

Step 5: Select More Settings

Select the More Settings… option at the bottom of the screen to continue.

Step 6: Click OK

Click OK on the dialogue box that comes up to continue.

Step 7: Select the Advanced tab

Step 8: Click Add

Click the Add… box in the Mailboxes section.

Step 9: Enter the Email Address

Enter the email address for the account you would like to add. When done press OK.

Step 10: Uncheck Download Shared Folders.

Make sure to uncheck the checkbox marked Download Shared Folders.

Step 11: Click Apply

Click Apply to apply the new information. 

You can also verify that the mailbox has been added by looking at the list of additional mailboxes. The Display Name for the mailbox should be in the list.

Your Outlook 2016 may become unresponsive for a few moments as it changes the settings.


Step 12: Return to your Mailbox

Click OK
 
Click Next

Click OK

Click Finish

Select Close

Step 13: You Now Have Access

You will now see the new mailbox on the left-hand bar in Outlook. You should be able to expand it and access the email in that mailbox.

New Outlook

Step 1: Right-Click Account or "Shared With Me"

Right-click your email address listed at the top of the page to open the following menu.

Alternatively, you can right-click the "Shared with me" option listed underneath your account.

Step 2: Click "Add shared folder or mailbox"

Once you click "Add shared folder or mailbox", the following pop-up will appear.

Step 3: Enter the Shared Email Address

Enter in the address of the shared mailbox that you would like to add. Once you hit "Add", you should see the mailbox listed under the "Shared with me" folder on the left side of the screen.

Step 4: Open Mailbox

You should then be able to click the shared mailbox to load all the emails in the account. After a moment, you should be able to see the messages appear.

If you do not have access to the shared mailbox, you will receive this error:

Please contact the manager of the mailbox so they can add you as a member. You should then be able to open the mailbox.

If you are still having issues, please reach out to the OIT Service Desk for further assistance.