Microsoft Authenticator App Setup Instructions. If you cannot access your account via browser, please contact your office 365 admin and disable mfa for you and remove the lost device. At the next screen, you will be required to scan a qr code with your phone. This feature can be turned off in settings.
Open the microsoft authenticator app on your smartphone. Open the app.the following series of popup windows will appear:
Tap on the ‘+’ sign on the top right to set up a new account.
Select “work or school account”. How to setup the microsoft authenticator on your microsoft account. And if you travel, you won't incur roaming fees when you use it. On your smartphone, install the microsoft authenticator app if you havent done so already ~you can do this from your relevant app store.