Download and install the Microsoft Authenticator app
The Microsoft Authenticator app can be used to sign into accounts when using two-factor verification.
It should be noted that the authenticator app is one verification option out of three and you are not required to install it.
When installing the app, make sure to read the terms and conditions and if you agree, grant it access to your camera for you to be able to scan the QR code later.
Install the latest version of the Microsoft Authenticator app, based on your phone’s operating system.
- On your Android device, go to Google Play to DOWNLOAD and install the Microsoft Authenticator app.
- On your Apple iOS device, go to the App Store to DOWNLOAD and install the Microsoft Authenticator app.
1. Browse to MFA LOGIN and sign in with your CSU credentials.
2. You will be prompted to provide a one-time passcode. Click Authenticate and a text will be sent to your mobile device with the authentication code.
3. In the My Account menu, click Activate Mobile App.
4. Click Generate Activation Code Activation Code.
5. A QR code will appear on your screen (simular to the one shown below). Leave this screen up for the next step.
6. Open the Microsoft Authenticator app on your mobile device and select the option to add an account. When prompted for what type of account you are adding, select Work or school account. After you select this option you will get a screen on your mobile device to scan the QR code. Position the camera of your mobile device over the QR code until it successfully scans the code and adds the account.
7. Once your account has been added to the Microsoft Authenticator app switch back to your browser and click Complete Activation. You will receive a message on screen saying that activation is complete. The app is now ready for use.
8. In the My Account menu, click Change Method.
9. Select the method you prefer to use to use from the drop-down menu.
10. After making your selection click on the Save button.
11. Even though you may have selected one of these options as your default, you will still be presented with all three options when logging in to Office 365 via the web or OneUSG on a browser, as shown in the screenshot below. When presented with the three options you may choose any of them. For other applications, such as adding email on your mobile device, MFA will use the option you selected in the previous step.