Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.
Use dynamic arrays and tables for fast, scalable cascading drop-down lists in modern Excel.
Users will appreciate a chart that updates right before their eyes. In Microsoft Excel 2007 and Excel 2010, it's as easy as creating a table. In earlier versions, you'll need the formula method.
How to populate a dropdown with data from another sheet in Excel Your email has been sent If your list and dropdown are on different pages, you’ll need to know this ...