功能 LOOKUP LOOKUP函数在一行或一列中查找值, 并将其与另一行或列中相同位置的值相匹配。 下面是一个查找公式语法的示例: = LOOKUP (Lookup_Value, Lookup_Vector, Result_Vector) 下面的公式在示例工作表中查找 Mary 的年龄: = LOOKUP (E2, A2: A5, C2: C5) 公式使用单元格 E2 中的值 "Mary", 在查找向量 (列 A) 中找到 "Mary"。

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。

Microsoft family settings might be hiding apps. Parents can use family settings to make sure that their child can't view or install apps that are inappropriate for their age.

Date de publication : août 2021. Cet article est destiné aux utilisateurs qui ne peuvent pas effectuer la mise à niveau vers Windows 11, soit parce que leur PC n’est pas activé avec TPM 2.0, soit parce que leur PC peut utiliser TPM 2.0, mais n’est pas encore configuré en ce sens.

We believe that Microsoft Teams (free) is a place where minors can interact safely to build on friendships and meaningful community. We also know that keeping online experiences safe and positive involves more than building in permission settings and controls.

Hvis du vil have support på Outlook.com, skal du klikke her eller vælge Hjælp på menulinjen og angive forespørgslen. Hvis du ikke selv kan løse dit problem, skal du rulle ned til Har du stadig brug for hjælp? og vælge Ja.. Hvis du vil kontakte os på Outlook.com, skal du logge på.

Na caixa de pesquisa na barra de tarefas, digite o nome do app que você deseja fixar na barra de tarefas. Clique com o botão direito do mouse no aplicativo e selecione Fixar na barra de tarefas.Se você não estiver trabalhando, siga as mesmas etapas e selecione Desempinar na barra de tarefas.

Near the upper right corner of the message list, select Filter > Unread. Tip: The name of the filter button changes to Unread to indicate which filter is applied. When you want to remove the filter so that you can see all the messages in the current folder, simply click the Unread filter button.

了解如何下载、安装和配置 Microsoft 365 语言配件包，以向 Microsoft 365 添加其他显示、帮助和校对工具。