Then, select Exchange from the list on the right. Open System Preferences and navigate to Internet accounts. I certainly did, though it appears this may vary by account, perhaps due to the security settings you’ve configured. If you want to use the in-box Mail, Contacts, and Calendar apps with your Microsoft account- or similar-you may need to do a bit of extra configuration work.
Δ Use your Microsoft account with Apple Mail, Contacts, and Calendar
