This simple function acts as a critical safety net for your workbooks.

Block bad data, duplicates, and incorrect dates with these custom rules.

Q. I have an Excel workbook that contains many tabs. We have a “Total” tab, but the formulas to sum all of those tabs gets very complicated. Plus, new worksheets get added and the formulas have to be ...

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any ...

Get faster reports with Copilot in Excel, from smart insights and visuals to Python in Excel Premium, plus prompts, review ...

Q. I am trying to create a formula in our accounting system, but I keep getting errors. What can I do to get the formula to work? A. All Excel users know how powerful formulas are, but sometimes it ...

Excel formulas allow you to perform calculations, analyze data, and return results quickly and accurately. The usefulness of formulas is even greater once you start dealing with large data sets. With ...

If you want to display the formula in cells instead of calculated results in an Excel spreadsheet, here is how you can do that. It is possible to show the used or applied formula and hide the actual ...

If you have a Microsoft Excel spreadsheet with a lot of formulas where you don't anticipate the results and inputs will change, it can sometimes be easier to simply replace those formulas with their ...