To use Microsoft Authenticator with a non-Microsoft site or app, you'll need to have the QR code handy from the site or app in question so that you can scan it within the Authenticator app.

Update: Apple has now removed most scam authenticator apps from the App Store – see end of piece. Twitter’s latest bonehead move has led to a flurry of scam authenticator apps, with at least ...

Your Microsoft ... Authenticator app. Next, tap the account you want to recover to open the full-screen view of the account. Then, in the full-screen view, tap the option to scan a QR code to ...

For Microsoft accounts, this authenticator does not scan QR codes. Once you’re ready to go, try logging in to a website on your PC that requires your Microsoft Account. As usual with Microsoft ...