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, ...

Excel gurus love to tell you, "Always format your data as a table." While that's usually solid advice, it's not always the best move. In some scenarios, a simple range outperforms a table entirely.