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When you first signed in to Office 365, you set up multi-factor authentication with SMS: How do I set up multi-factor authentication with SMS?


After that, you have to set up multi-factor authentication using the Microsoft Authenticator mobile app. Once it has been set up, authentication via the mobile app is easier and, above all, more secure.

How do I set up multi-factor authentication with the Microsoft Authenticator mobile app?



Multi-factor authentication is now set up. To get to know each other better, it would be great if you upload your profile picture. Step 4: How do I change my profile picture?



More Tips

Tip 1

Store an alternative phone number (e.g. a family member's or partner's mobile phone number) as an additional authentication method. If you forget your smartphone, you can send the confirmation code to this number: How do I store an alternative phone number for multi-factor authentication?

Tip 2

We recommend adding a second factor for password recovery. If you lose your smartphone, you can use your private email address to reset your OST account: How do I store an alternative email address for password recovery?

Tip 3

Enable sign-in without a password in your Microsoft Authenticator app: How do I enable signing in to Microsoft 365 without a password?

Tip 4

You can check, change or add to the stored security information here: Where can I change or add to the security check stored in Microsoft 365?



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