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。

Why accounts are locked and disabled. Microsoft accounts are usually locked if the account holder has violated our Microsoft Services Agreement.Here are some common reasons why accounts are locked, though not all account locks occur for these reasons:

Unlike in previous versions of Windows, you’ll need to use the media creation tool to create an ISO file to install Windows 10. Make sure you have a license to install Windows 10, and then follow these steps:

玩免费游戏时遇到问题？ 运行 应用疑难解答。 如果 Microsoft Store 无法打开， 请获取详细信息 来修复它。 在线 播放纸牌 获取 Microsoft 纸牌 需要更多帮助吗？ 请联系支持人员 有关技术支持，请转到联系Microsoft 支持，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转 ...

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

Learn how to check your PC's storage capacity and manage it effectively with Microsoft Support's guidance.

Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.

提示: 如果你也检查“在我的手机上设置 Outlook Mobile”框，你将被带到一个网站，你可以在其中输入你的移动电话号码，你将收到下载 Outlook for iOS 或 Outlook for Android 的链接。安装 Outlook Mobile 是随时随地保持最新状态的好方法。

The transcribe feature converts speech to a text transcript with each speaker individually separated. After your conversation, interview, or meeting, you can revisit parts of the recording by playing back the timestamped audio and edit the transcription to make corrections.

To find touchpad devices, select Human Interface Devices or Mice and other pointing devices, then right-click the device you'd like to update.