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.

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.

A common use of data validation is to create a drop-down list. Use it to restrict the type of data that users enter into an Excel cell.