Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.

Working with ranges in Excel is a fast and simple way to identify, define, or refer to a single cell, a range (or group) of cells, a specific or constant value, or a formula. Then you can use those ...

Over the last few months, I’ve written several articles about Excel’s newish dynamic array functions. In many cases, they can replace older, more complex expressions. The new functions do all that ...