MS Excel
Ctrl+ D shortcut key in Excel will

Open the font dialog box
None of the listed here
Apply double underline for the active cell
Fill down in the selection

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MS Excel
How do you delete a column?

Right click the column heading you want to delete and select delete from the shortcut menu
Select the column heading you want to delete and select the Delete Row button on the standard toolbar
Select the column heading you want to delete and select Insert Delete from the menu
Select the row heading you want to delete and select Edit>Delete from the menu

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