Cascading drop-down lists—where choosing a category like "Fruit" narrows the next list to "Apple" or "Pear"—are a staple of high-level data entry in Excel. The old INDIRECT method works, but it's ...
You've built a perfect Excel table, but the moment you try to use its headers in a drop-down menu, everything breaks. Excel's Data Validation is notoriously picky with tables, but there's a clever ...