Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

可以更改整个演示文稿的默认字体，而不是逐个更改幻灯片中的字体。 字体配对 (标题字体、正文字体) 是 PowerPoint 中的重要设计决策。

Multiple IF functions can be nested together to allow for multiple criteria. The Excel IF function statement allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if True or False.

Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.

使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。

如果尝试登录到帐户，但收到一条消息，表示该帐户被锁定，则这是因为与该帐户关联的活动可能违反了我们的使用条款。. 如何解锁 Microsoft 帐户

重要说明不需要此更新，如果 Windows 恢复环境 （WinRE） 满足以下任何条件，则不会提供此更新：. 如果 WinRE 恢复分区没有足够的可用空间。

Use the Xbox Accessories app to configure your controller or headset for your preferred gaming experience.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Get the most out of your subscription with expert advice and support from small business advisors. Business Assist for Microsoft 365 is designed for small businesses to give you and your employees around-the-clock access to small business advisors as you grow your business, from onboarding to everyday use.