Both batteries in the Surface Book must be charged above 10 percent to detach the keyboard. If either of the batteries has less than a 10 percent charge, the green light on the Detach key won’t come on when you press it and you won’t be able to detach the keyboard.

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 ...

要在 Microsoft Edge 中为所有网站设置默认缩放级别，请转到“设置和更多” >“设置” >“辅助功能” ，然后从“页面缩放”下的下拉菜单中选择所需缩放级别。 通过选择缩放级别轻松管理特定网站的缩放级别。. 你还可以在 Windows 中放大文本。 此处所做的更改将应用于设备上的大部分文本。

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

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.

Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.

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。

This article explains how to use a type of function in Access called an aggregate function to sum the data in a query result set. This article also briefly explains how to use other aggregate functions, such as COUNT and AVG to count or average the values in a result set. In addition, this article explains how to use the Total Row, a feature in Access that you use to sum data without having to ...

Πατήστε παρατεταμένα (ή κάντε δεξιό κλικ) στο αρχείο ή στο φάκελο, κάντε κλικ (ή τοποθετήστε το δείκτη του ποντικιού) στην επιλογή Αποστολή σε και μετά στην επιλογή Συμπιεσμένος φάκελος (μορφή zip).

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.