In this post, we’ll show you how to use the Microsoft Authenticator app on both PC and phone. ... If you lose access, you’ll need to disable and re-enable 2FA to get a new QR code.

The Microsoft Authenticator app offers a passwordless sign-in facility to users. The passwordless sign-in feature is faster and more secure than the traditional password sign-in method.

Learn how to disable Microsoft's default requirement for its Authenticator app in Microsoft 365 and regain control over your organization's multifactor authentication settings.