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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.

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.

Learn how to use OneDrive Files On-Demand to sync your OneDrive files and save disk space in Windows 10.

Learn how to record Teams meeting. Capture audio, video, screen sharing activity, and troubleshoot recordings in Microsoft Teams.

Learn how to update your Xbox console offline.

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Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.

如果麦克风功能出现问题，则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11，您可能需要授予应用使用它的权限。

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.