Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.
Excel is one of those tools that we all know and use, but let’s be honest—most of us barely scratch the surface of its true potential. Sure, you’ve probably mastered the basics like SUM or AVERAGE, ...
Use dynamic arrays and tables for fast, scalable cascading drop-down lists in modern Excel.
How-To Geek on MSN
You need to know what the hash sign does in Excel formulas
Smash the hash in a flash!
Some results have been hidden because they may be inaccessible to you
Show inaccessible results