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

To use your microphone with apps on Windows 10, you'll need to turn on some permissions in Microphone settings. Then, you'll need to check your app permissions if you want to use your microphone with apps.

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

Find out the steps you can take if you receive a message telling you a driver can't load on your device.

了解如何使用 Windows 11 中的任务栏功能。 使用任务栏设置隐藏任务栏、固定应用、更改位置等。

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

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 more about what background apps are in Windows and how to turn them off when you're not using them.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Learn how to free up space for Windows update including deleting nonessential files, using an external hard drive, and updating your hard drive.