邮件召回在选择“发送 ”后可用，并且仅当你和收件人 在同一组织中具有Microsoft 365 或Microsoft Exchange 电子邮件帐户时才可用。无法召回发送到 Hotmail、Gmail 或 live.com 帐户或从其发送的邮件。

Problem. Description. 0 (Zero) is shown instead of the expected result. Make sure Criteria1,2 are in quotation marks if you are testing for text values, like a person's name.. The result is incorrect when Sum_range has TRUE or FALSE values.. TRUE and FALSE values for Sum_range are evaluated differently, which may cause unexpected results when they're added. ...

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If you're having issues such as you forgot your password or you can't sign up for a Microsoft account, visit the Microsoft account help page. SUBSCRIBE RSS FEEDS. Need more help? Want more options? Discover Community. Explore subscription benefits, browse training courses, learn how to secure your device, and more.

试一试！ 从日历中加入 Microsoft Teams 会议，或以访客身份登录网页版。 从应用中加入 Teams 会议. 在“日历”中，选择“在会议开始前 加入会议”，或选择“正在开会”。

Note: Mac trackpads don't support zoom in meetings. If you're on a Mac, use one of the other options. If you're using Linux, giving and taking control of shared content isn't available at this time. Open shared content in new window.

However, if you don't recognize a message with a via tag, you should be cautious about interacting with it. In Outlook and the new Outlook on the web, you can hover your cursor over a sender's name or address in the message list to see their email address, without needing to open the message.

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