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Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

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Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...

在 Teams 作业中设置加权评分类别. 在Microsoft Teams 教育版中，默认情况下，成绩按总分除以可用最大分数计算。. 通过建立加权评分类别，教师可以将权重分配给不同类型的作业，以反映其重要性。. 重要: 对于使用评分类别的课堂，任何带分数的作业都必须具有 ...

附註: 您的 IT 系統管理員或社群系統管理員有時會在 Yammer 中傳送通知，並傳送有關您的帳戶和活動更新的電子郵件，例如您偏好的電子郵件通知設定以外的重要公告。 系統管理員必須使用新的Yammer來傳送必要的公告，不過新的和Yammer的使用者都會收到通知。 如果您對您偏好的電子郵件通知設定 ...

关闭定期计费. 退款帮助. 调查计费的费用. BitLocker 帮助. 查找 Windows 和 Office 的产品密钥. 有关工作或学校帐户密码的帮助. 我需要与客户支持代理联系. 了解如何获取 Microsoft 帐户帮助、解决登录问题、确保帐户安全以及管理 Microsoft 帐户仪表板。.

Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint. For more information, see Where to sign in to Microsoft 365.