Step-by-step guide
From the home screen, locate and tap your Settings icon.

From your settings menu go to Mail, Contacts, Calendars.

Tap Add Account.

Tap Exchange.

The screen shown below should appear. Fill in the blanks as followed:
Email: Your BearPass Email
Password:Your BearPass password
Description: Anything to help you remember which account this is

Tap Next.
The configuration attempt should fail. Two new boxes will appear.
Server: outlook.office365.com
Username: BearPassLogin@live.missouristate.edu (example: abc123@live.missouristate.edu)

Tap Next.
You will now have the choice to toggle what information you would like to sync across your phone and email. When finished, tap Save.

Congratulations! You have successfully configured your student email for your iPhone.