MS Excel
To hold row and column titles in place so that they do not scroll when you scroll a worksheet click the

Split command on the window menu
Hold titles command on the edit menu
Unfreeze panes command on the window menu
Freeze panes command on the window menu

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MS Excel
How do you select an entire column?

Select Edit > Select > Column from the menu
Hold down the Ctrl key as you click anywhere in the column
Click the column heading letter
Hold down the shift key as you click anywhere in the column

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