If your Excel lists repeats values and you need help finding changes, try this easy conditional format. One of the most frequent requests I receive from readers is how to highlight list values when ...

Custom formulas let you dictate exactly what goes into cells.

If you use simple copy and paste methods to duplicate an Excel drop-down list, you may discover a problem; when you copy a cell that has a drop-down list and press "Ctrl-V" to paste it into a new cell ...

The needful can be achieved using the COUNTIF function. You could either count the frequency of duplicates in Excel or the order of their occurrence in Excel. Count the frequency of duplicate values ...