You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

Learn how to change your account picture in Windows. Choose from pictures on your PC or take a new selfie.

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

Learn how to switch Outlook from working offline to online with your mail server on Microsoft Support.

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。

Get steps for how to install a language pack in Windows 10.

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.

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.

Touch gestures. You can use these gestures on the touch screen of your Windows 11 device. To turn touch gestures on, select Start > Settings > Bluetooth & devices > Touch > Three- and four-finger touch gestures, and make sure it's turned on.

Use a ready signature template from a gallery to create your email signature in Outlook.