A dynamic data validation list, built using functions like `UNIQUE`, `SORT`, and `VSTACK`, allows users to filter and group data efficiently.

How to base a data validation dropdown on an array in Excel Now we’re ready to create the data validation dropdown that will display the unique list in column H.

If you see the "This value doesn't match the data validation restrictions defined for this cell" error in Excel, this article will help you.

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

In most cases, the user takes advantage of the data validation feature. However, there are times when this function is not good enough, and as such, it is best to make use of the Circle Invalid ...