sum_range 可选。要添加的实际单元格，如果要添加在范围参数指定以外的其他单元格。如果省略sum_range参数，Excel就会添加范围参数中指定的单元格（与应用标准的单元格相同）。. Sum_range 的大小和形状应该与范围相同。如果不这样做，性能可能会受到影响，而且该公式将对从sum_range中第一个单元格 ...

登录到 microsoft365.com 以查看Microsoft 365 工作或学校帐户。 登录. 安装和管理应用。 在 Office 应用 卡上，选择“ 管理”，然后选择“ 安装 ”以安装或重新安装最新的桌面应用或其他应用，例如 Project 或 Visio 。(只要管理员 为你分配了许可证 并授予你自安装的权限，安装选项就可用。

When you want people to know your message needs urgent attention, set the message as high importance. If the message is just an FYI, or if you’re sending mail to colleagues about a non-work related topic, you can set the message as low importance.

@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.

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此内容可帮助你使用工作或学校帐户，即组织 (dritan@contoso.com) 等提供给你的帐户。 如果在个人 Microsoft 帐户（即你为自己设置 (的帐户（例如，danielle@outlook.com) ）上出现双重验证问题，请参阅打开或关闭 Microsoft 帐户的双重验证。. 我没有随身携带移动设备

可以轻松累积 Microsoft Rewards 积分，并获取礼品卡、电影、游戏、非营利性捐赠等丰厚奖励。 使用你的 Microsoft 帐户保持登录状态，你将因执行已执行的操作而获得积分。

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.

Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web).

借助 Teams 的外部访问，你可以添加或邀请 Teams 组织外部使用 Teams、Teams 个人使用、面向消费者的 Skype 以及Skype for Business一对一聊天的人员。