1 - Install the Outlook app from the App Store. 

NOTE - If you haven't installed Outlook already, the text will say GET.

2 - Open the Outlook app. Enter your @ndus.edu credentials. Click Add Account.

3- Enter your password. 

NOTE- You will be prompted to authenticate with Duo Mobile. 

If you are not registered you can follow the instructions here: 

4- Select "Maybe Later" to continue to your inbox.