See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.

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.

获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容

Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.

Learn how to troubleshoot and use the clipboard in Windows to paste multiple items, pin items, and sync your clipboard to the cloud.

Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Windows에서 Bluetooth 문제를 해결하는 방법을 알아보세요. Bluetooth 장치 또는 액세서리 연결 문제를 해결하세요.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.