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

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

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.

Try it! Microsoft 365 subscribers can set up automatic replies for when they are out-of-office or unavailable to respond to email. Select File > Automatic Replies.

使用 Windows 设置应用更改桌面背景和颜色。

There are many reasons to listen to a document, such as proofreading, multitasking, or increased comprehension and learning. Word makes listening possible by using the text-to-speech (TTS) ability of your device to play back written text as spoken words.

Important Because changing your Microsoft account password is slightly different than resetting a forgotten password, this page does not cover the steps to reset your account password.

How to use the SUMIFS function in Excel, one of Excel’s math and trig functions, to add arguments that meet multiple criteria.

Get troubleshooting steps for when you can't sign in to the Xbox app.

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.