Set up headers and footers to provide different content for different sections of a document.

Find out what model of Surface you're using. There are several ways to find out which Surface device model you have. Look in the Surface app

Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Learn how to download Microsoft Teams. Get Microsoft Teams with Microsoft 365 or download a free version of Teams.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

How to use the LOOKUP function in Excel to search in a single row or column and find a value from the same position in a second row or column.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

To play a recorded meeting in Microsoft Teams, go to the chat history of the meeting and click Play.