Excel has plenty of built-in functions for calculations, but some of the most useful ones don't crunch numbers at all—they reveal information about your spreadsheet itself. The INFO and CELL functions ...

Have you ever found yourself wrestling with Excel formulas, trying to extract the right data from a massive spreadsheet, only to end up frustrated by errors or limitations? If so, you’re not alone.

You worked hard to put that Excel sheet together, now protect it from unintended damage. Formulas are one of the most important components of an Excel sheet and as such, deserve–warrant–protection.