Insert subscript or superscript text in your document. Undo superscript or subscript formatting. To undo superscript or subscript formatting, select your text and press Ctrl+Spacebar.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn how to set up Microsoft Family Safety to manage screen time, filter content, and share location with your family members.

了解如何解决登录 Microsoft 帐户时出现的问题。 解决密码验证、锁定帐户和其他 Microsoft 帐户登录问题。

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

Outlook Data Files contain your email messages, calendar, tasks, and other items on your computer.

SafeSearch helps keep adult content out of your search results. There are different ways you can turn on SafeSearch: For individual accounts, choose SafeSearch options on the Settings page.

Learn how to receive a refund or exchange for items purchased from Microsoft.

了解如何从“设置”、登录屏幕和黑屏或空白屏幕启动到 Windows 中的安全模式。

注意: 本文重点介绍如何通过局域网（或 LAN）共享文件或文件夹，例如在家庭或工作区内连接的计算机。如果你尝试了解如何通过 Internet 共享文件，例如与朋友或家庭成员共享文件，OneDrive 提供了实现此目的的简单方法。