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试一试！ 如果你使用的是 Microsoft Outlook 应用或 Outlook.com，并且你和你的收件人都在 Microsoft Exchange 或 Microsoft 365 上，并且在同一组织中，则可以撤回或替换你发送的电子邮件。

Email与 Microsoft 帐户关联的地址和电话号码称为别名，它们使用相同的联系人、在线存储、订阅和帐户设置。 可以使用任何别名登录到 Microsoft 服务或 Windows 和 Xbox 设备，并且可以选择其中任何一个来发送和接收电子邮件。

此页列出了常见的错误代码和解决方案。 了解如何快速查找错误代码。

Advanced email security. As a Microsoft 365 subscriber, you get enhanced security tools that help protect your inbox from phishing and malware.

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中国的身份验证方法. 中国仅提供有限的身份验证方法。 用户可以将 Authenticator 设置为在其设备上接收可用于验证其身份的验证码，而不是使用推送通知进行双重验证。

Important: We recommend that you watch the video below and review the guidance for filling out the recovery form before trying the form again.. If you are unable to use the account recovery form because you don't recognize the additional account security information, use our Sign-In Helper.. To protect your account and its contents, our support agents and advocates are not allowed to send ...

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

Find out how to submit a case review and learn more about your Xbox enforcements.