可以使用 简单的公式对) 一组单元格 (区域中的数字求和，但在处理多个数字时 ，sum 函数 更易于使用。 例如，=sum (a2：a6) 出现键入错误的可能性小于 =a2+a3+a4+a5+a6。 下面是使用两个单元格区域的公式： =sum (a2：a4，c2：c3) 对区域 a2：a4 和 c2：c3 中的数字求和。 可按 enter 获取总计 39787。

When someone shares a folder with you, it appears in the Shared section of your OneDrive.com.If you have Edit permissions to those shared folders, you can add them to the My files section of your OneDrive to make them easier to access and work with. If you want to view and access shared folders on your PC or Mac, install the OneDrive app and sync your folders to your device.

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This article describes the Microsoft .NET Framework 4.7.1 offline installer for Windows 7 Service Pack 1 (SP1), Windows 8.1, Windows 10 Anniversary Update, Windows 10 Creators Update, Windows Server 2008 R2 SP1, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016.

Tip: Instead of inviting people to share a notebook, you can create a special link to the notebook that you can then copy and paste into an email, into a text message, or onto a webpage.On the Send Link pane, click Copy Link.Keep in mind, access to this link is controlled by the access set for sharing at the top of the Send Link pane.

Check the Xbox services, games, and apps for any service outages.

Send in your Surface. If none of the previous solutions have resolved your issue, you can send in your Surface. If you decide to send it in, go to Device service and repair and sign in with your Microsoft account. If your device is already registered, select it and follow the instructions.

使用自动筛选或内置比较运算符（如 Excel 中的“大于”和“前 10 个”）显示所需数据并隐藏其余数据。 筛选单元格或表格区域中的数据后，可以重新应用筛选器以获取最新结果，或者清除筛选器以重新显示所有数据。

If Outlook won't open, try opening it in safe mode, which disables add-ins. 1. Right-click the Start button, and click Run.. 2. Type Outlook.exe /safe, and click OK.. Tip: If Windows can't find Outlook.exe /safe, try using the full path to Outlook (for example C:\Program Files\Microsoft Office\OfficeXX, where XX is your version number). More on starting Outlook in safe mode and disabling add-ins.

提示: “会议” 视图允许你快速查看当天即将召开的会议，而无需转到日历。 如果会议是由公司内部的组织者设置的，则甚至可以直接从“ 会议 ”选项卡加入 Lync 会议。 在 Lync 主窗口中，单击“ 会议 ”选项卡，然后右键单击要加入 Lync 会议。