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。

View more Microsoft account help topics. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

Notes: If your plan is to associate the new team site with a SharePoint hub site, you can streamline the process by first navigating to the hub site and clicking the Create site link in the top right corner there. The new team site will automatically be associated with that hub site. If you don't see the + Create site link, self-service site creation may be disabled in SharePoint.

@mention a tag in a channel. In a channel conversation, simply @mention a tag (type @ and the tag name) in your message and select the tag from the list.The tag will appear just like any @mention, and the people associated with the tag will be notified.

步骤 1：转到 www.microsoftstore.com 并使用用于购买 Office 的 Microsoft 帐户登录（右上角）。. 步骤 2：登录后，在右上角选择姓名，然后选择“订单历史记录”。. 步骤 3：找到 Office 一次性购买或单独的 Office 应用，然后选择“安装 Office”，查看产品密钥（此操作不会安装 Office）。

To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears.. When an @mention recipient receives a notification, selecting it takes them directly to the point in the conversation where they were mentioned.

重要: 在尝试以下任意解决方案之前，请确保先备份你的个人文件。 你可以备份 Windows 电脑，或者插入 U 盘并使用文件资源管理器将重要文件拖动和复制到 U 盘。 如果你是使用 Microsoft 帐户登录到 Windows，系统设置将在连接到 Internet 后立即更新，然后自动还原。

Note: If you don't see the Additional security verification page, it's possible that your administrator has turned on the security info (preview) experience.If that's the case, you should follow the instructions in the Set up security info to use an authenticator app section. If that's not the case, you will need to contact your organization's Help Desk for assistance.

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若要在电子邮件或会议邀请中吸引某人的注意，请在邮件或邀请中键入 @ 符号，后跟其姓名。 这样做将突出显示其姓名，并提示 Outlook 将其添加到“To”行，确保他们注意到，并在收件箱的邮件旁边添加 @ 符号。