If you're running Mac OS X version 10.10 or later, you can use the Mac Mail, Calendar, and Contacts apps to connect to a Microsoft Exchange account.
1. Open Setttings and select Internet Accounts.
2. Select Microsoft Exchange > Continue.
3. Select Sign In.
4. Enter the name, email address and password for your Exchange account > Sign In.
5. Choose the Mac apps you want to use with this account. Available choices are Mail, Contacts, Calendar, Reminders, and Notes.
