如果你怀疑你的设备可能有恶意软件，你应该Microsoft Defender运行扫描。 下面介绍如何在 Windows、Mac 或 Android 上执行此操作。

通过与 Xbox 网络上的其他玩家建立联系，可以获取更佳的游戏体验。 为确保获取所需体验，我们提供了一些工具，可用于自定义其他人向你发送消息的方式和内容。

Use the Information Protection viewer to view protected files in Windows, Android, iOS, or Edge.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

You can use Microsoft Family Safety to block apps used by family members on Windows, Xbox, Edge, and mobile devices. Select a tab below for instructions on how to use Microsoft Family Safety to block apps.

Learn how to download files from the web, change your default download location, and find files you've downloaded on your PC using Internet Explorer.

Learn more about the advanced security features for Outlook.com that come with an Office 365 Home or Office 365 Personal subscription.

联系时间（中国时间） 电话支持 星期一至星期五: 上午 9:00 - 晚上 9:00 星期六至星期日: 上午 10:00 - 晚上 6:00

Open the Store app and search for your app or game. Open Store If you still cannot see the app you want, it may be because: The app isn't available in your country or region. Not all apps are available worldwide. An app available in France might not be available in Germany. If you bought an app in one country or region and then you moved to another one, the apps you had might disappear ...

Microsoft SwiftKey在 iPhone 和 iPad 上均可用，且在运行 iOS 版本 12 及更高版本的所有设备上均受支持。 iPad 用户可以受益于专为大型设备定制的全新扩展布局。