Follow these steps to download and sign in to the outlook app with your csu account on iPhone. 


1. Search for the outlook app on the app store, click get, and download the app


2.Next you will open the newly downloaded outlook app, it will prompt you to add an account or create a new account.


3.Select add account


4. Sign in with your CSU email, ([email protected], not first.last@colostate) and use your NetID password.


5. Complete the Duo push security


6.You are signed in and ready to use Outlook on your phone!