Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.
How to use UNIQUE() to populate a dropdown in Microsoft Excel Your email has been sent Populating a dropdown with a dynamic list is easy thanks to Microsoft Excel’s UNIQUE() dynamic array function.
How to create a sorted unique list in an Excel spreadsheet Your email has been sent Microsoft 365's UNIQUE() function is a great reason to upgrade. Combine UNIQUE ...