Windows 10. Credential Manager lets you view and delete your saved credentials for signing in to websites, connected applications, and networks. To open Credential Manager, type credential manager in the search box on the taskbar and select Credential Manager Control panel. Select Web Credentials or Windows Credentials to access the credentials ...

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To redo something you've undone, press Ctrl+Y or F4. (If F4 doesn't seem to work, you may need to press the F-Lock key or Fn Key, then F4) on your keyboard, or select Redo on the Quick Access toolbar. (The Redo button only appears after you've undone an action.) Note: For more information about the Quick Access Toolbar, see Customize the Quick ...

磁盘管理帮助. Windows 中的磁盘管理可帮助你执行诸如初始化新驱动器、扩展或压缩卷等高级存储任务。. 你可以使用磁盘管理执行如下操作：. 初始化新驱动器. 扩展基本卷. 收缩基本卷. 更改驱动器号. 排除磁盘管理故障. 若要打开磁盘管理，请右键单击 (或长按 ...

A list of Excel training, from entry level to advanced skills, plus templates and other resources.

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。

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Discarding it means that you can't restore the changes you make, but it will reduce your file size. Lowering the default resolution for images also reduces your overall file size. Go to File > Options > Advanced. Under Image Size and Quality, do the following: Select Discard editing data . This option removes stored data that's used to restore ...

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