Q. How do I use the FILTER function in Excel, and how is this an improvement over the filter feature? A. The FILTER function was introduced five years ago as part of the Excel Dynamic Arrays rollout.

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.

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.