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Microsoft Security | Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
If you need to speak with someone on the phone regarding Microsoft 365 support, you can contact them directly. Technical support is available 24/7 in English, and billing support is available from 9 AM to 5 PM, Monday through Friday. Make sure to have your account details ready when you call. Additionally, be aware that there is a PIN-based verification process to protect your organization, so you may need to provide a verification code sent to your registered email or phone number.
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