Summary. This article describes how to change keyboard layouts for the Microsoft keyboards listed in the "Applies To" section. You can configure your keyboard to use a different language or keyboard layout, such as Canadian Multilingual, Spanish, or United States-Dvorak.

How to use the SUMPRODUCT function in Excel, one of Excel’s math and trig functions, using multiplication, addition, subtraction, and/or division to return the sum of the products of corresponding ranges or arrays.

Learn how to set up your user account for multifactor authentication with Microsoft 365.

如何将 IF 函数 (与 Excel 中) AND、OR 和 NOT 函数结合使用，以在给定值之间进行逻辑比较。

Training: Watch this video to learn how to switch your Outlook calendar view between day, week, or month views, change the week displayed, and see different shared calendars.

Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Visio is a diagraming tool that makes it easy and intuitive to create flowcharts, diagrams, org charts, floor plans, engineering designs, and more by using modern templates with the familiar Office experience. On this page, you can access some of the top templates and sample diagrams available in Visio, or request ones that you want. To see the hundreds of templates and sample diagrams ...

Windows 10 lets you quickly check your network connection status. And if you're having trouble with your connection, you can run the Network troubleshooter to try and fix it.

如果在电脑或 Windows 设备上从 Xbox 应用安装或玩游戏时遇到问题，请尝试以下解决方案。