How to get and use app passwords - Microsoft Support
How to get and use app passwords. Microsoft account. After you turn on two-step verification or set up the Authenticator app , you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification.
Set up your Microsoft 365 sign-in for multi-factor authentication
By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. For example, you first enter your password and, when prompted, you also type a dynamically generated verification code provided by an authenticator app or sent to your phone.
Applies To:
Office for business, Microsoft 365 admin
下载Microsoft Authenticator - Microsoft 支持
将帐户添加到 Microsoft Authenticator. 发现. 使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。.