To open the Start menu—which contains all your apps, settings, and files—you can do any of the following: On the center or left end of the taskbar, select the Start icon.

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

本文介绍 Microsoft Excel 中 SUBSTITUTE 函数的公式语法和用法。. 说明. 在文本字符串中用 new_text 替换 old_text。 如果需要在某一文本字符串中替换指定的文本，请使用函数 SUBSTITUTE；如果需要在某一文本字符串中替换特定位置处的任意文本，请使用函数 REPLACE。

Microsoft 365 is a subscription service that makes sure you always have the most up-to-date modern productivity tools from Microsoft. There are Microsoft 365 plans for home and personal use, as well as for small and midsized businesses, large enterprises, schools, and non-profits.

Note: If your data is in an Excel table, the Transpose feature isn't available.You can convert the table to a range first, or you can use the TRANSPOSE function to rotate the rows and columns.

下面是声音设备制造商的驱动程序下载页面的示例。 如果安装更新后有声音问题 如果音频在你运行 Windows 更新前正常工作，现在无法正常工作，请尝试回退音频驱动程序。

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Начало работы с Copilot. Чтобы приступить к работе, откройте приложение Copilot в меню "Пуск" или используйте значок Copilot, если он присутствует на панели задач Windows.

Learn common SharePoint Online tasks with these videos and tutorials, and get links to more training for SharePoint and Office 365.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2