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 ...
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Creating drop-downs from table headers in Excel seems impossible—but this trick fixes it
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 ...
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