Office 365 - Configuring Mail on Mac OS X
How to configure the native mail client on OS X for Office 365.
Note: Office 365 with Duo is only supported if you are running macOS 10.14 (Mojave) or higher.
1. Open Mail.
2. Choose Exchange.
3. Enter your email address.
4. Choose Sign In.
5. Enter your email credentials then choose Sign in.
6. Select your Duo Authentication method and complete the necessary steps.
7. Choose the settings you desire then click Done.
If you need to add or remove accounts click Mail > Accounts...
To add an account click the + and to remove click the - at the bottom of the list.
For further assistance please contact the Eagle Help Desk at x8774.