Setup Multi-Factor authentication
2.) After you hit next, primary option is to use the Microsoft Authenticator App on your mobile phone. You can search for the app from your App Store or Google Play Store on your mobile phone, download and install the app. microsoft authenticator - Android Apps on Google Play or Microsoft Authenticator on the App Store (apple.com)
NOTE: If you prefer to use your existing
authenticator app like Keeper, Google Authenticator, Duo Mobile, etc. on your
mobile phone, you can select the option “I want to use a different
authenticator app”, the same steps to setup using Microsoft Authenticator app.
3.) After installing your Microsoft Authenticator app (or another authenticator app) you will be asked to set it up.
4.) To add your email account on your phone’s authenticator app, you must choose Add account or a Plus sign to get started. If asked for the type of account, choose work or school account.
5.) The primary
option is to scan a QR code using the app on your phone. If scanning using the
camera is not possible, click “Can’t scan image?” and enter the secret key/code
manually instead.
6.) Once added, you will be asked to enter a code or a set of numbers that will flash on your phone.
Reference: How to use the Microsoft Authenticator app - Microsoft Support
NOTE: If you like to add other methods to authenticate your account like text codes to your phone, please follow the steps below:
To update security or authentication method:
1.) Access your account’s security information through this link: https://mysignins.microsoft.com/security-info
2.) Click Security Info >
Add sign-in method > choose between another authenticator app or Phone and
follow the steps to finish the setup.
3.) After
adding a new authentication method, you can now change the default method from
your list.