Switch to your Microsoft profile:
https://portal.office.com/account/
Switch to security & data protection:
![](https://noprob.olbricht.it/wp-content/uploads/2020/04/image-1-1024x586.png)
You should find this link under Additional security check:
![](https://noprob.olbricht.it/wp-content/uploads/2020/04/image-2-1024x127.png)
Follow this link to Azure AD
Switch here to the additional safety check on the left-hand side:
![](https://noprob.olbricht.it/wp-content/uploads/2020/04/image-3.png)
https://account.activedirectory.windowsazure.com/Proofup.aspx
Here you can delete an existing Authentificator app and set it up again. Follow the on-screen instructions.
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