Excel Video 235 Cell Styles 

Would you like to make your spreadsheets consistently look great? Watch Excel Video 235. Today we're talking about Cell Styles, a way to consistently format headings, input cells, good news, bad news, calculations, and more. Cell Styles are on the Home tab in the ribbon and are easy customize to create just what you're looking for.
Another advantage of Cell Styles is that if you have a massive spreadsheet and have already applied Cell Styles, you can change the style and all of the cells using that style will update for you automatically. As your users get accustomed to seeing the same type of information formatted the same way, your spreadsheets become easier to read, faster to understand and more valuable to the organization.