When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

Notes: To reset other versions of OneDrive, read Reset OneDrive.If you're not sure which OneDrive app you have, read Which OneDrive app do I have?. Resetting OneDrive disconnects all your existing sync connections (including personal OneDrive and OneDrive for work or school if set up).

To install the Authenticator app on iOS, scan the QR code below or open the download page from your mobile device.

If contact us isn't working the way you expect, try the disability answer desk option on this page. Contact us

为什么需要验证码？ 当你登录到你的 Microsoft 帐户时，我们可能会要求提供其他证明，证明确实是你的帐户。 最多可以添加 10 种不同的方法来验证登录，并且可以选择：

打开用户帐户，方法是单击"开始"按钮 ，单击"控制面板"，单击"用户帐户和家庭安全"，单击"用户帐户"，然后单击"管理其他帐户 "。 如果系统提示你输入管理员密码或进行确认，请键入该密码或进行确认。

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.

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。

这些步骤仅适用于 Office 专业增强版、Visio 专业版 或 Project Professional。 步骤 1：启动 Office 应用，例如 Word、Project 或 Visio，具体取决于你的购买。. 步骤 2：在“登录以设置 Office”窗口中，选择“我不想登录或创建帐户”（窗口底部的小型链接）。. 步骤 3：输入 Office 产品密钥，省略连字符。

当收件人电子邮件服务器上的垃圾邮件或阻止列表筛选器有意阻止你的邮件时，将使用这些条款。 收件人的服务器认为你使用的邮件服务器或邮件帐户是垃圾邮件的来源。