如果需要对一列或一行数字求和，请让 Excel 为你计算。 选择要求和的数字旁边的单元格，在“开始”选项卡上选择“自动求和”，按 Enter，即可完成。 选择“自动求和”时，Excel 会自动输入一个公式 (，该公式使用 SUM 函数) 对数字求和。 下面是一个示例。

To add a guest to your team in Teams: Select Teams and go to the team in your team list. Select More options > Add member . Enter the guest's email address. Anyone with a business or consumer email account, such as Outlook, Gmail, or others, can join your team as a guest. Select their email again to confirm.

A proxy server can be used when you’re connected using Wi-Fi or Ethernet. In some cases, your company or organization might require a proxy server. To use a proxy server, you’ll need one or more of the following things, depending on how you’re setting it up: Automatically. Windows detects the proxy server settings automatically, so you ...

Windows 10 照片查看器. Windows 照片查看器未包含在 Windows 10 中，但如果你是从 Windows 7 或 Windows 8.1 进行升级，你的电脑可能仍可使用它。. 若要确认，请在文件资源管理器中长按（或右键单击）某张照片，然后选择“打开方式”。. 如果 Windows 照片查看器不在列表中 ...

Once music is playing, launch the game you want to play or app you want to use. Music will keep playing in the background. For controls such as pause and skip, press the Xbox button on your controller to open the guide, and then highlight the music app. From there you can also adjust the volume and open the music app full screen.

立即获取. 如果你想要重新安装 Windows Media Player，请尝试以下操作：. 单击“开始”按钮 ，键入“功能”，然后选择“打开或关闭 Windows 功能”。. 向下滚动并展开“媒体功能”，清除“Windows Media Player”复选框，然后单击“确定”。. 重启设备。. Windows Media Player ...

VLOOKUP 第一个参数是要查找的值。. 此参数可以是单元格引用，也可以是固定值，例如“smith”或 21,000。. 第二个参数是单元格搜索范围 C2-:E7，VLOOKUP 在其中搜索要查找的值。. 第三个参数是单元格范围内包含所查找值的列。. 第四个参数可选。. 输入 True 或 False ...

语法. COLUMN ( [reference]) COLUMN 函数语法具有以下参数：. 参考代码 可选。. 要返回其列号的单元格或单元格范围。. 如果省略参数 reference 或该参数为一个单元格区域，并且 COLUMN 函数是以水平数组公式的形式输入的，则 COLUMN 函数将以水平数组的形式返回参数 ...

CONVERT ( number, from_unit, to_unit) Number is the value in from_units to convert. From_unit is the units for number. To_unit is the units for the result. CONVERT accepts the following text values (in quotation marks) for from_unit and to_unit.

Worksheet and workbook specifications and limits. 32-bit environment is subject to 2 gigabytes (GB) of virtual address space, shared by Excel, the workbook, and add-ins that run in the same process. A data model’s share of the address space might run up to 500 – 700 megabytes (MB), but could be less if other data models and add-ins are loaded.