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Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
8,400 questions
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Q&A forums are currently English language only.
Try to sign in to your account but select the Sign in another way link on the Two-factor verification page. (assumes "another way" was previously set up) Then update the authentication device here.
https://mysignins.microsoft.com/security-info
--please don't forget to upvote and Accept as answer if the reply is helpful--