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 ...

Microsoft Excel is a power-packed program with some of the best tools for people working in data-related fields. It provides users with a seamless blending of advanced calculations, pivot tables, ...

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 ...