Microsoft Support
Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.
Change the refresh rate on your monitor in Windows
Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.
Microsoft Teams (free) - Microsoft Support
Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
Applies To: Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
Learn about performance features in Microsoft Edge
Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.
Applies To: Microsoft Edge
使用 Xbox 玩云游戏 | Xbox Support
了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。
How to spot a "fake order" scam - Microsoft Support
Learn how to avoid "fake order" scams that try to trick you into paying for products you never ordered. Read this short article from Microsoft Support.
Create workbook links - Microsoft Support
You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Share your Excel workbook with others - Microsoft Support
Learn how to use the new simplified sharing feature in Excel. Now it's easier to share your spreadsheet with others on SharePoint, OneDrive, or OneDrive for Business.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Obtenir de l’aide sur les erreurs d’activation de Windows
Découvrez comment résoudre les erreurs d’activation Windows. Parcourez les erreurs d’activation courantes et découvrez ce que vous pouvez faire pour les corriger.
在 Windows 10 中添加在启动时自动运行的应用 - Microsoft 支持
右键单击该应用,选择“更多”,然后选择“打开文件位置”。此操作会打开保存应用快捷方式的位置。 如果没有“打开文件位置”选项,这意味着该应用无法在启动时运行。