How-To Geek on MSN

Forget INDIRECT: The modern way to create cascading drop-down lists in Excel

Use dynamic arrays and tables for fast, scalable cascading drop-down lists in modern Excel.
How-To Geek on MSN

When not to use tables in Excel: 5 scenarios where regular ranges are better

Skip tables when you need spilled results, presentation-ready layouts, one-off modeling logic, or stable protected data-entry templates.

Create Dynamic Excel Data Validation Lists Using Table Spill Ranges

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.
TechRepublic

How to use UNIQUE() to populate a dropdown in Microsoft Excel

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.