IMPORTANT: Please complete this process on your browser on a laptop\computer as completing this process on your mobile phone will complicate the process.
On your device (Laptop\Mac\browser):
When accessing your MTU account\applications, complete MFA as normal by Text or Call
Once you have completed your MFA (Multi Factor Authentication) process (by text or voice call), you will be prompted to "Protect your account". This prompt serves to initiate a process to guide you through setting up the Microsoft Authenticator app for MFA.
The Microsoft Authenticator app is a more secure method than using your phone number and will serve to further protect your account and MTU.
Choosing "Next" will bring you to the MFA registration process to setup the Microsoft Authenticator app
On your phone:
To complete the process, you will need to download the Microsoft Authenticator app to your smart phone (Apple or Android)
Please ensure you only use the "Microsoft Authenticator" app, icon shown below, as other apps will not work.
https://www.microsoft.com/en-ie/security/mobile-authenticator-app
On your device (Laptop\Mac\browser):
Click "Next" to proceed
Click "Next" to proceed
A QR code unique to you will be displayed on the screen.
Go to your phone again:
In the Microsoft Authenticator app on your phone.
Add an account with the "+" icon, choose “work or school account” and choose "Scan a QR code"
or if available use the scan QR code icon at the bottom right
Allow the app to access your camera on your phone if prompted and then capture the QR code with your phone camera, which will automatically be activated by Microsoft Authenticator.
Once the QR code has been scanned, you will receive a message on your app "Account added successfully".
On your device (Laptop\Mac\browser):
Click "Next".
Type the digits shown on laptop screen (these will be different time you login) into the Microsoft Authenticator app when prompted and click "Next".
Click "Next".
And click "Done".
Your default MFA method will automatically be the most secure method. In this case after registering the Authenticator app, the app will be used by default, even if the above page displays "Phone - text".
To manually check and change your default method you can visit the below page directly.
https://mysignins.microsoft.com/security-info