How to copy all of the formatting of a single cell to other cells in the spreadsheet without having to re-apply each formatting element separately. This will save you a lot of time when formatting spreadsheets.
You have now completed in just a few seconds what would have taken you minutes to do by hand, especially with large lists.
If you mess-up, you can always hit Ctrl + Z to undo any unwanted changes.
If you need to remove all cell formatting, follow this tutorial for quickly removing all cell formatting in Excel.
Download the spreadsheet that accompanies this tutorial to try it out yourself.