Excel's UNIQUE function is a game-changer for cleaning data, but it has a frustrating limitation: it only works with adjacent columns. But by nesting additional functions inside it, you can create a ...

Duplicates in the same column are easy to find by sorting or filtering. Duplicates that span multiple columns require a bit of setup, but the solution's not difficult to implement. Finding duplicate ...

This illustrated walk-through (with a demo worksheet) shows how easy it is to create a multi-column search solution using validation lists and conditional formatting. Excel offers numerous ways to ...