提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

HDR content on Windows offers better brightness and color capabilities compared to traditional content (sometimes called standard dynamic range [SDR] content).

Missed activity emails. In the Missed activity emails section, you’re able to set the frequency of summary emails detailing your missed activity, or turn this feature off.. Chats and channels notifications. Notifications for chats and channels can be managed at a granular level, allowing you to customize your notifications to your personal work style.

Para buscar las descargas en tu equipo: Selecciona Explorador de archivos desde la barra de tareas o presiona la tecla del logotipo de Windows + E.

Get support for all Office.com apps, including Excel, Word, and PowerPoint, with step-by-step guidance and troubleshooting.

=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.

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查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。

Erfahren Sie, wie Sie die Windows Update-Problembehandlung ausführen, um Fehler beim Herunterladen oder Installieren von Windows zu beheben.

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.