We have created sample data containing sales of 6 different companies in four consecutive months (from January to April). The Total Sales sheet represents the total number of sales in all four months ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

Copying formulas in Excel is a relatively simple operation – unless you need to copy down through dozens or even hundreds of cells. Here’s a foolproof little trick that will knock out the task for you ...