You’ve set up your Mac Mail account, close Preferences to start using it.On the Outgoing Mail Server Info screen, enter for SMTP Server, and enter your email address as User Name, then select Create.On the Incoming Mail Server Info screen, enter for Mail Server, and enter your email address as your User Name, then select Next.You’ll then see the account needs to be manually configured, select Next.Enter your details on the Add a Mail Account screen and then select Sign In.Choose Other Mail Account, then Continue.Select + at the bottom left of the Accounts pane to add a new account.
Select the Accounts icon to see all the email accounts that are set up to work with Mail.Launch mail and then select Preferences from the Mail application menu.Here’s a step-by-step guide to set up Office 365 email in Mac Mail: