You can now link your devices and apps with your Microsoft account using the link code without requiring you to enter your account details manually.

Whatever the scenario, to keep your Microsoft account locked down and as well protected as possible, you should only connect it to devices you're using regularly.

To check the list of devices, go to your Microsoft account's dashboard and navigate to the Devices tab in the left pane. Go through your list of devices and check for anything suspicious.

Getting a new phone can be exciting, but if you use the Microsoft Authenticator app to log in, you'll want to transfer it to your new device properly.