Add or remove items from an existing drop-down list (also called a drop-down menu or drop-down box).

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Learn how to change or reset your Windows password if you've forgotten or lost it.

Learn how to use keyboard shortcuts in Word to navigate, select, format, and edit your documents faster and easier.

Learn how to set up and configure Outlook so that you can begin to use it.

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.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.

可更改文档样式的一种方法是添加新的文本字体。 若要向 Word 添加字体，请在 Windows（其将向所有 Microsoft 365 应用程序提供该字体）中下载并安装该字体。

Learn how to recover files that have been lost, deleted, or accidentally changed.

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