Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...

Dropdowns are useful features that simplify data entry and enforce data validations in spreadsheet software. Creating a dropdown list is easy. And you might have done that already in Excel. But did ...

I feel like I'm on the cusp of figuring something out, but I'm not quite there. Got a spreadsheet with drop-down for eleven options. Two categories should be red, two green, and seven yellow. I can do ...