Learn how to reset or move OneDrive by unlinking and re-linking your PC.

How to use the SUMIF function in Excel to add the values in a range that meet criteria that you specify.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

No matter how fast your Internet connection is, there are times when things will slow down to a crawl. This article will help you sort out what kinds of things can go wrong, learn what you can do about them, and discover how to get the most from your Internet connection.

Learn how to find or fix a device in your Microsoft account.

Resolve Windows blue screen errors with tips and resources to do your own troubleshooting, or contact the Microsoft support if you need more help.

Microsoft Defender是一种新的安全应用，可帮助跨所有设备保护你和你的家人;Windows、Android、Mac 和 iOS。

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

Change your screen saver settings. Select the Start button, then go to Settings > Personalization > Lock screen, and select Screen saver settings.In the Screen Saver Settings window, choose a screen saver from the drop-down list.

Use data validation rules to control the type of data or the values that users enter into a cell. One example of validation is a drop-down list (also called a drop-down box or drop-down menu). Watch more in this video.