Use the OneDrive mobile app to backup your phone's camera roll to Microsoft OneDrive. Note that it does not sync photos - it's a one-time upload. This means that once OneDrive has your camera roll, you can delete photos and videos from your device, freeing up valuable space, and the copies in OneDrive won't be affected.

该验证方法目前不起作用：有时块可能绑定到你正在使用的验证方法。尝试使用连接到帐户的其他验证方法。 例如，如果使用短信验证自己并遇到阻止，请尝试使用连接到帐户的备用电子邮件来接收授权代码。

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.

注意: 如果你没有看到“取消”选项，但看到显示“启用定期计费”的链接，这意味着你的订阅已设置为在显示的日期到期，并且不会在此日期之后自动向你收费。 目前无需再执行任何操作，你可以在Microsoft 365 订阅过期之前继续使用该产品。

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Windows 8.1 Update and Windows RT 8.1 Update (also known as KB 2919355) include improvements that make your favorite apps and settings easier to find and use, provide more familiar mouse and keyboard options, and update security and performance.Here’s what you need to know about installing this important update. Check to see if it’s already installed

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 Windows 10 后未检测到麦克风，则表示你可能需要先授予应用相关权限才能使用它。

联系 Microsoft 支持. 新增内容. Surface Pro; Surface Laptop; Surface Pro 9; Surface Laptop 5