If you don’t have it already, download the Outlook app from the Google Play Store.
Open the Outlook app on your Android device.
If this is your first time using Outlook:
Tap Get Started.
Enter your Office 365 email address (e.g., yourname@cshl.edu).
Tap Continue.
If you already have another account in Outlook:
Tap your profile icon (top left corner).
Tap Add Account.
Select Add Email Account.
Enter your Office 365 email address and tap Continue.
Outlook will redirect you to Microsoft’s sign-in page.
Enter your password and tap Sign In.
Complete Duo authentication.
Tap Accept if prompted to allow access.
Choose what to sync (Mail, Contacts, Calendars).
Tap Next or Done.
Outlook may ask if you’d like to add another account – tap Maybe Later if you’re done.
Tap Skip or Enable Notifications based on your preference.
Outlook will now load your inbox.