How to use Excel formulas to compare multi-column lists Your email has been sent Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none of ...

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 ...

Have you ever carefully crafted a formula in Excel, only to watch it unravel into chaos the moment you copy it across columns? It’s a maddening quirk of Excel tables—structured references that seem to ...