An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

Outlook をセーフ モードで起動して、"処理中" 画面の問題を解決する. Outlook が "処理中" と表示された画面で応答しなくなった場合に、この問題を解決するには、Outlook を終了してからセーフ モードで起動し、さらに Outlook を終了し、Outlook を通常どおり開きます。

查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。

撤消上标或下标格式. 若要撤消上标或下标格式，请选择文本，然后按 Ctrl+空格键。 插入上标符号. 对于几乎总是上标的某些符号，如 ® 和 ™，只需插入该符号，其格式将自动设置为上标。

If your PC was repaired or rebuilt, it's possible that a different version of Windows was installed. Or, if a different product key was used for your PC during repair, that key might have been used on more PCs than allowed by the Microsoft Software License Terms.

注意: 如果数据位于 Excel 表中，则“转置”功能不可用。您可以 将 表格 转换为区域 中首先，或可以使用 TRANSPOSE 函数 旋转的行和列。

注意: 使用安装介质重新安装Windows 11，同时选择“不保留任何内容” (干净安装) ，如果重新安装 Windows 的分区为 20GB 或更大，则将自动启用保留存储。 保留存储空间将留出磁盘空间以供更新、应用、临时文件和系统缓存使用，因此可确保关键的操作系统功能始终可以访问磁盘空间，从而改进了电脑 ...

Action. Gestures. Select an item. Tap the screen Scroll. Place two fingers on the screen and slide horizontally or vertically. Zoom in or out. Place two fingers on the screen and pinch in or stretch out

Notes: If someone is already part of a family group, they must leave or be removed from that group before joining another. They can also create a new Microsoft account to associate with a new family group. Explore Microsoft Family Safety features and benefits.

Data Loss Protection (DLP) is a high-value enterprise feature that is well loved in Outlook. We are introducing DLP in Excel to enable real time scan of content based on a set of predefined policies for the most common sensitive data types (e.g., credit card number, social security number, and US bank account number).