MS Excel
The Paste Special command lets you copy and paste:

Cell comments
Multiply the selection by a copied value
Formatting options
The resulting values of a formula instead of the actual formula

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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 row heading you want to delete and select Edit>Delete from the menu
Select the column heading you want to delete and select Insert Delete from the menu

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