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修复麦克风问题 - Microsoft 支持
如果麦克风功能出现问题,则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新麦克风后未检测到Windows 11,您可能需要授予应用使用它的权限。
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.
First things to know about teams in Microsoft Teams
Teams in Microsoft Teams are collections of people, content, and tools surrounding different projects and jobs.
Applies To: Microsoft Teams
Microsoft Editor checks grammar and more in documents, mail, and the ...
Microsoft Editor uses enhanced proofing tools for Microsoft 365 subscribers. Identify spelling, grammar, and stylistic issues within your documents.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Microsoft 帐户安全信息和验证码 - Microsoft 支持
了解如何管理 Microsoft 帐户安全信息和排查验证码问题。
Applies To: Microsoft account dashboard
Microsoft Edge for mobile FAQs - Microsoft Support
Learn how to use Microsoft Edge for mobile devices, sync your browser data, and get answers to common questions.
Connect devices in Family Safety - Microsoft Support
Connect family group devices in the Microsoft Family Safety app today to enjoy key Family Safety features, such as Drive safety, screen time limits and locating a family member.
Applies To: Microsoft Family Safety
Protect yourself from phishing - Microsoft Support
Learn how to identify a phishing scam, designed to steal money via fake emails.
Share your PowerPoint presentation with others - Microsoft Support
Learn about simplified sharing in PowerPoint 2016 with OneDrive.
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2019 for Mac, PowerPoint 2016