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 ...

You’ve used SUM for years. It adds numbers, does its job, and you probably don’t think twice about it. But while you’ve been clicking through filters and building messy helper columns, Excel has been ...

When working with large datasets in Excel, the performance of formulas plays a critical role in determining calculation speed and overall efficiency. Understanding which formulas perform best and how ...