Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

Excel makes it easy to crunch numbers. With Excel, you can streamline data entry with AutoFill. Then, get chart recommendations based on your data, and create them with one click.

我忘记了我的密码. 转到 “恢复帐户”页，并按照提示操作。 若要详细了解如何重置密码，请参阅 重置忘记的 Microsoft 帐户密码。. Outlook.com 帐户受到攻击. 如果认为 Outlook.com 已受到攻击，请参阅我的 Outlook.com 帐户已受到攻击。. Outlook.com 帐户被阻止

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。

控制器序列号的长度为 14 个字符，并且不包含短划线。 如果从未连接过控制器，或者在最近 48 小时内首次连接，则可能无法识别控制器序列号。; 如果有 Xbox Elite 无线控制器系列 2，则 14 个字符的序列号位于控制器背面下方中间。

Обновления экран по умолчанию и параметры спящего режима теперь помогают более эффективно использовать энергию и продлить время работы батареи.

通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

Voice typing. In Windows 11, dictation has been updated and renamed as voice typing. Like dictation, voice typing uses online speech recognition technologies to power its speech-to-text transcription service. You no longer need to turn on the Online Speech recognition setting to use voice typing.

A family group is a set of individuals connected through the Microsoft Family Safety app on their Windows, Xbox, or mobile devices. Establishing a family group is an easy, effective way to encourage healthy online habits and manage busy schedules.