Find out how to request a replacement for your Xbox controller.

Learn about how tracking prevention works in Microsoft Edge. Adjust your tracking prevention setting to detect and block known trackers.

邮件召回在选择“发送 ”后可用，并且仅当你和收件人 在同一组织中具有Microsoft 365 或Microsoft Exchange 电子邮件帐户时才可用。无法召回发送到 Hotmail、Gmail 或 live.com 帐户或从其发送的邮件。

重要: 关闭Microsoft帐户时，你的电子邮件和联系人将从我们的服务器中删除，无法恢复。如果将Microsoft帐户用于 Xbox、Skype、OneDrive 或其他Microsoft服务，则你将无法再访问这些服务。 你还将无法访问任何保存的 BitLocker 恢复密钥。

Use this article to find out your expiration status.

Learn about chatting via SMS, including using commands, importing and deleting SMS chats, and recognizing the limits of SMS group chats.

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

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

如何将签名添加到Word文档。 还可以使用 Word 中的“签名行”命令插入一行来显示文档的签名位置。

Check the Xbox services, games, and apps for any service outages.