Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

When numbers are actually stored in cells as text, problems with calculations or sorting can occur. Read this article to learn how to fix this problem.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

How to use the COUNTIF function in Excel to count the number of cells that meet values you set.

The steps below will help you add a Gmail account to new Outlook, or manage an existing account by deleting it or making it your primary account. Add a new Gmail account. On the View tab, select View settings.

Learn how to retrieve a forgotten username or password for your Office for home or Office for business account.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.

使用 Windows 设置应用更改桌面背景和颜色。