Get answers to all of your Microsoft Word questions. Find Word help, how-to articles, training videos, tutorials, and more.

Here are the most common issues you might encounter with family safety features and how to resolve them. For Windows devices:

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

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。

Starting your Surface from a USB drive can be useful if you want to change firmware settings or Windows startup settings. Booting from a USB device doesn’t refresh or reset your Surface.

Turn specific formatting marks on or off. You can customize which formatting marks are shown in Outlook by opening a new email message. From a new email message, select File > Options > Mail.

了解 Windows 11 的使用方式，包括在何处搜索和如何保持井然有序。 观看视频并阅读有关新功能的提示。

This event is logged when the Secure Boot DBX variable is updated successfully. The DBX variable is used to untrust Secure Boot components and is typically used to block vulnerable or malicious Secure Boot components such as boot managers and certificates used to sign boot managers.

Learn how to convert Word to PPT and take your presentations to the next level. Transform your Word documents into stunning PowerPoint presentations.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：