# Shortcut to Apply a Formula to an Entire Column in Excel

## Shortcut to Apply a Formula to an Entire Column in Excel

### Question

If I select a cell containing a formula, I know I can drag the little box in the right-hand corner downwards to apply the formula to more cells of the column. Unfortunately, I need to do this for 300,000 rows!

Is there a shortcut, similar to `CTRL`+`SPACE`, that will apply a formula to the entire column, or to a selected part of the column?

### Accepted Answer

Try double-clicking on the bottom right hand corner of the cell (ie on the box that you would otherwise drag).

### Popular Answer

If the formula already exists in a cell you can fill it down as follows:

- Select the cell containing the formula and press
`CTRL`+`SHIFT`+`DOWN`to select the rest of the column (`CTRL`+`SHIFT`+`END`to select up to the last row where there is data) - Fill down by pressing
`CTRL`+`D` - Use
`CTRL`+`UP`to return up

On Mac, use `CMD` instead of `CTRL`.

An alternative if the formula is in the first cell of a column:

- Select the entire column by clicking the column header or selecting any cell in the column and pressing
`CTRL`+`SPACE` - Fill down by pressing
`CTRL`+`D`

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Select a range of cells (the entire column in this case), type in your formula, and hold down Ctrl while you press Enter. This places the formula in all selected cells.