How do I repeat my last action in Excel using the F4 key?

To repeat the last action in Microsoft Excel using the F4 key, follow these simple steps:

1. First, perform the action that you want to repeat. This could be anything from inserting a formula to formatting cells.
2. Next, press the F4 key on your keyboard. This will immediately repeat your last action.
3. You can continue pressing the F4 key to repeat the same action multiple times.

Using the F4 key to repeat actions in Excel is a quick and easy way to increase your productivity and efficiency when working with spreadsheets. It can save you a lot of time and effort, especially when performing repetitive tasks.