Sign in to your accounts using the Microsoft Authenticator app
https://support.microsoft.com/en-us/account-billing/sign-in-to-your-accounts-using-the-microsoft-authenticator-app-582bdc07-4566-4c97-a7aa-56058122714c
WEBOpen the Microsoft Authenticator app, go to your work or school account, and turn on phone sign-in. When you tap the account tile, you see a full screen view of the account. If you see Phone sign-in enabled that means you are fully set up to sign in without your password. If you see Enable phone sign-in, tap it to turn on phone sign-in.
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