Old-school Excel functions like SUMPRODUCT, INDEX/MATCH, and IFERROR remain essential for stable, readable, and maintainable spreadsheets.

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. Excel is the most widely ...

If you would like to improve your Excel workflows and spreadsheets and in the process save a huge amount of time you might be interested in mastering Excel date functions. Once mastered this knowledge ...

If you are wondering how to use the Excel FILTER function with multiple criteria, here’s a tutorial to guide you through the steps and ensure you can efficiently filter and sort your data. The FILTER ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Have you ever found yourself endlessly dragging formulas across rows or columns in Excel, only to realize there’s got to be a better way? Maybe you’ve spent hours creating helper columns or ...