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 ...

A drop-down list in a Microsoft Word document lets readers select from a predefined list, handy if you're building a form, quiz, or similar. Adding a drop-down list is fairly easy—here's how. The ...

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 ...