Setting Up Multi-Factor Authentication using the Mobile App

Last modified 3/22/2023

This method will require that you install and keep the Microsoft Authenticator Application onto your phone. Deleting the application from your phone could cause you to be unable to authenticate your account. This app is available for Android and iOS devices using the Google Play Store or the App Store. Follow the instructions below when using this method for authentication.

If you have yet to enable Multi-Factor Authentication on your account, please reference the steps included in Enabling Multi-Factor Authentication.

When first logging on to an Office 365 product off-campus, you will be asked for additional security verification using MFA.

  1. Install the Microsoft Authenticator Application onto your phone before proceeding. Once downloaded from the Google Play Store or the App Store, Click Next (See Figure 1).

    Figure 1:
    Start by getting the App

  2. Once downloaded, open the application on your phone and click the Add Account button. After that, you will see multiple options for adding an account. To add your ISU account, you will need to click Work or School Account. This will trigger a pop up that will ask you how you would like to add the account. Select Scan QR Code (See Figure 2).

    Figure 2:
    Add Account - QR Code
  3. Once your camera opens up after selecting the Scan QR Code option, select Next on the computer again until the QR code appears
  4. Hover the camera over the QR code on your computer to scan it. (See Figure 3).

    Figure 3:
    Scan the QR code

  5. Scan the QR code image that appears on your computer's monitor to complete configuring the mobile app and click Next. The account has now been added to your authenticator app. You will now need to test the notification prompt that is sent to your authenticator app. To continue with this, click the Next button in the "Let's Try it Out" screen (Figure 4). Click Next and approve the sign in request notification that gets sent to your phone to complete the set up.

    Figure 4:
    Try it out
  6. After clicking Approve, you will receive a notification that lets you know your set up was successful. Click Done to proceed with signing in (Figure 5).

    Figure 5:
    Success notice

To view other methods of recommended authentication at Illinois State University see the Similar Articles section below. 

Getting Help

For technical assistance, Submit a Help Ticket, or contact the Technology Support Center at (309) 438-4357 or by email at

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