1) Go to "System Preferences" and click on "Internet Accounts".

Apple Mail o365 - Internet Accounts.png

2) Click on the "+" sign on the left bottom corner and then select the "Exchange" option:

Apple Mail o365 - Internet Accounts - Exchange.png

3) Enter your "Name", "Email address" and then click on "Sign in".

Apple Mail o365 - Internet Accounts - Exchange 2.png

If server settings are not automatically discovered, internal and external URL will be asked.

Set this to: outlook.office365.com

4) Click on "Sign in".

Apple Mail o365 - Internet Accounts - Exchange 3.png

5) Enter your password and click on "Sign in"

Apple Mail o365 - Sign In.png

7) Select all apps and click on "Done". At this step, your o365 email and calendar applications are ready to be used.

Apple Mail o365 - Internet Accounts - Exchange 4.png

 

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