Outlook 2011 (Mac).
2. From the Tools menu, select Accounts
On the Add an Account screen, click Exchange Account.
If you do not see the Exchange Account option, click the “+” symbol in the lower left-hand corner to open the pull-down menu. Choose Exchange from this pull-down menu.
On the Enter your Exchange account information screen, enter the following information:
a. In the E-mail address field, enter
your office 365 email address (e.g., firstname.lastname@example.org).
b. From the Method pull-down menu, choose User Name and Password.
c. In the User name field, enter your office 365 email address (e.g., email@example.com).
d. In the Password field, enter your exchange password.
e. Check the box next to Configure Automatically.
Click Add Account to finish configuring your account.