Something here may help.
https://learn.microsoft.com/en-us/azure/active-directory/user-help/user-help-auth-app-backup-recovery
--please don't forget to Accept as answer if the reply is helpful--
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Hello
I have lost my phone with the authenticator app on it. Now I have a new phone but I can not access to IG, FB, Outlook because it ask me the autentication code.
Please let me know if you know what I can do
Thanks
Something here may help.
https://learn.microsoft.com/en-us/azure/active-directory/user-help/user-help-auth-app-backup-recovery
--please don't forget to Accept as answer if the reply is helpful--