Microsoft 365 User Mailbox
Open Outlook.
Click File.
Underneath your Account Information click Add Account.
Enter the email address of the account you wish to add (e.g., cw-tech@uwaterloo.ca) in the Email address field and click Connect.
Enter the password for the account.
Click Sign in.
If prompted, complete the two-factor authentication. Be sure to check the box beside Remember me for 30 days.
Click Done.
Close and re-open Outlook. You should see the account on the left side of your Outlook display. You will need to click the > arrow beside the email address to expand/collapse the folders.
Microsoft 365 Shared Mailbox
Open Outlook.
Click File.
Click Account Settings and then Account Settings again.
In the window that opens, click Change.
In the window that opens, click More Settings.
In the window that opens, switch to the Advanced tab.
Click Add.
In the Add Mailbox field, enter the friendly version of the email account (e.g., lance.chase not lgchase) and click OK.
Click OK.
Click Next.
Click Done.
Click Close.
Close and re-open Outlook. You should see the account on the left side of your Outlook display. You will need to click the > arrow beside the email address to expand/collapse the folders.