撤消操作 按 + Z，或选择功能区左上角的“撤消 ”，直到解决问题。 无法撤消某些操作，例如在“ 文件 ”菜单上选择命令或保存文件。 如果无法撤消某操作，“撤消”命令将更改为“无法撤消”。 若要同时撤消多个操作，请选择“ 撤消”旁边的箭头，在列表中选择要撤消的操作，然后选择该列表。

Select the cell you want to combine first. Use commas to separate the cells you are combining and use quotation marks to add spaces, commas, or other text.

Windows Photo Viewer isn't part of Windows 10, but if you upgraded from Windows 7 or Windows 8.1, you might still have it. To check, press and hold (or right-click) a photo in File Explorer, and select Open with.If Windows Photo Viewer isn't in the list, you cannot install it on Windows 10.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

如果在 Excel 中打开了具有大型数据集的文件，例如带分隔符的文本 (.txt) 或逗号分隔 (.csv) 文件，则可能会看到警告消息“此数据集对于 Excel 网格来说太大。 如果保存此工作簿，将丢失未加载的数据。” 若要避免丢失任何未加载的数据，请按照这些说明操作。

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。 如果你的电脑具有手机网络数据连接并且共享该连接，它将使用流量套餐数据。

Surface Pro（第五代）和 Windows 10 Surface Pro（第五代）附带 Windows 10 专业版版本。 如果不确定自己使用的是哪种 Surface 型号，请参阅 我的 Surface 是哪种型号？ Surface Pro（第五代）图示

Sometimes you need to make a change to your email account settings. If you have a new password, if your email provider has asked you to change settings, or if you're having problems with sending and receiving email, you can change your email account settings through Mail in the Windows Control Panel, or from Outlook.