Use the Microsoft Authenticator app to scan the QR code or manually input the key. The app will give you a code to enter. Go back into Facebook and input the code.

You can use Microsoft Authenticator on multiple devices by scanning the same QR code during setup. When the QR code is displayed, scan it on both phones to ensure they generate identical codes.

Starting in August, your saved passwords will no longer be accessible in Microsoft's Authenticator app. You have several options.

Microsoft stands out from the authenticator crowd by annihilating accounts when new accounts are introduced via QR code. Despite user complaints for years, no fix has been issued, leaving IT ...

Open the Authenticator app on your mobile device, click the plus sign, and scan the QR code using the smartphone camera to add your new account. The result should look something like this: ...

Open the Microsoft Authenticator app on your old phone. ... However, some accounts may ask you to revalidate your identity by ...

By limiting the number of fields Authenticator considered when adding accounts via QR codes, some users that identified themselves by an email address could be locked out of an account because ...