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  1. Download Microsoft Authenticator - Microsoft Support

    The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

  2. About Microsoft Authenticator - Microsoft Support

    This is called two-step verification or multi-factor authentication. As the only way to sign in - just tap an approval on your phone to sign in. This is called going passwordless. Just follow the …

  3. How to add your accounts to Microsoft Authenticator

    If your organization supports two-factor verification or multi-factor authentication sign-in, you can set up your work or school accounts to use Authenticator as one of the verification methods.

  4. How to use two-step verification with your Microsoft account

    What is two-step verification in Microsoft accounts? Two-step verification (sometimes called multi-factor authentication) helps protect you by making it more difficult for someone else to sign in …

  5. What is: Multifactor Authentication - Microsoft Support

    Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

  6. Sign in using Microsoft Authenticator - Microsoft Support

    Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

  7. Modern Authentication Methods now needed to continue syncing …

    Jun 10, 2024 · If Outlook.com is not an option, you will want to contact the application's support to confirm that they support Modern Authentication against EAS, POP, IMAP, and SMTP. If the …

  8. Set up multi-factor authentication for Microsoft 365

    Multi-factor authentication (MFA) helps you to access your accounts more securely. It's a way to prove that you are who you say you are. Because passwords can be forgotten, stolen, or …

  9. Troubleshoot problems with Microsoft Authenticator

    Make sure notifications are enabled for the app. Check your text messages for authentication codes which may have arrived silently. Outdated app version: Using an outdated version of the …

  10. Protections for CVE-2025-26647 (Kerberos Authentication)

    Apr 8, 2025 · While in Audit mode, Event ID: 45 will be logged on the domain controller when it receives a Kerberos authentication request with an unsafe certificate. The authentication …