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Important: You can't create breakout rooms if there are more than 300 people in a meeting.Likewise, if you create breakout rooms before a meeting, you won't be able to invite more than 300 people. For more info about managing large Teams meetings, see Best practices for a large Teams meeting.

获取 Microsoft Edge 的帮助和支持。 查找 Microsoft Edge 支持内容、操作方法文章、教程等。

Microsoft 通常每月都将 MSRT 作为 Windows 更新的一部分或独立工具进行发布。 （有关异常，请参阅 已跳过发布。 。） 使用此工具可查找和删除特定的流行威胁，以及撤消它们所做的更改（请参阅涵盖的恶意软件系列）。 若要全面检测和删除恶意软件，请考虑使用 Windows Defender 脱机版或 Microsoft 安全 ...

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

For Insiders The Xbox Insider Program was built for you! On PC, Xbox console, or mobile, you can get early access to new games and features, join playtests with our developer partners, and provide valuable feedback to help shape the Xbox experience.

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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。

查看密件抄送收件人. 如果你是邮件的收件人，则无法查看发件人是否添加了 密件抄送 收件人。 只有邮件的发件人可以通过打开“已发送邮件”文件夹（默认情况下，该文件夹将存储所有已发送的邮件）中的邮件来查看“密件抄送”收件人的姓名。 在“已发送邮件”文件夹中，打开已发送的邮件。

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.