Microsoft's spreadsheet program can do way more than you might realize. These are the hacks and tricks you need to know.

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?

Running totals show how figures build over an extended period, one entry at a time, allowing you to see trends and patterns that raw data alone might not reveal. Creating running totals in Excel is ...