Microsoft Authenticator is available for Android and iOS devices. It does not support desktops. Open-source competitor 2FAS offers browser extensions, which you can use on desktops, too. There's ...

This usually generates a QR code, which you can then scan using the Microsoft Authenticator app. Now that you have your accounts set up, you'll be prompted to enter a six-digit code the next time ...

For backup, save or print the QR code as a PDF or on paper. If you lose access, you’ll need to disable and re-enable 2FA to get a new QR code. How do I use Microsoft Authenticator on my PC? You ...

A number of attendees opened Microsoft Authenticator, scanned the QR code, and proceeded to overwrite another application’s TOTP (Time-based One-Time Password) key,” Randall wrote.

Microsoft quietly pushed out its fix last week, either Sept. 10 or Sept. 11, depending on geography. The patch was included in 6.8.15 for iOS and 6.2409.6094 for Android.

Microsoft Authenticator's simple blue-and-white layout is pretty easy to navigate. Microsoft hides your authentication codes on the dashboard by default, which is excellent.