Configuring Outlook on the iPhone for O365 Accounts

If you have just had your mailbox migrated to Office 365 Email and Calendaring, see the Post-Migration and Modern Authentication Office 365 Email and Calendaring Setup page for how to get up and running.

How to Configure Outlook on the iPhone

*NOTE: These instructions are for users with inbox on Office 365 and not Exchange.
This can be checked by looking at the Guide found [Here]

In the App store, download the Microsoft Outlook application.
Result: The application will appear on your home screen.
Click on the app to open it.
Result: The app will open to the Add Account screen.
Enter your MIT email (including the "@mit.edu").
Result: You will be brought to the Exchange screen to add more information about the account.
In the top right corner of the screen, click on Not Exchange, and then select Change Account Provider.
Result: You will be brought to a screen where you can select your mail account provider.
On the Select your email provider screen, select the Outlook.com icon.
Result: You will be brought to the Microsoft Sign in page.
Enter your MIT email (including the "@mit.edu"). Then select Next.
Result: You will be brought to the Touchstone Authentication page.
Enter your Kerberos username and password.
Result: You will be brought to the Duo Authentication page.
Authenticate with Duo.
Result: You will be brought to your MIT Outlook mailbox.