Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.

Learn how Smart charging in Windows can help your battery last longer over time.

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.

Learn how to use InPrivate browsing in Microsoft Edge if you don't want your browsing data saved on your PC.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

Get troubleshooting advice and see a list of options available for starting Windows in diagnostic modes such as safe mode.

In Windows, having a camera and microphone as part of your device lets you make Teams video calls, take pictures, record videos, and more. Many apps and services request and use the camera or microphone, and Windows settings give you control over which apps can use your camera or microphone.

Discover how to use Microsoft Phone Link to connect your Android or iPhone to your PC for seamless access to notifications, calls, and apps.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Outlook Data Files contain your email messages, calendar, tasks, and other items on your computer.