Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

如何在 Excel 中将两个或多个单元格中的文本或数据合并为一个单元格。

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

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Your Phone is now Microsoft Phone Link! Learn more about our recent name change for our PC and Android mobile apps.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

If you see a gray OneDrive icon, this means you are not signed in. If you cannot sign in to your OneDrive sync app, or the sync app says OneDrive is not connected, follow the steps below.

了解如何创建用于安装或重新安装 Windows 7、Windows 8.1 或 Windows 10 的安装介质。

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.