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 ...

To edit a drop-down list in Excel, you can use a number of tools depending on how you created the list. Here's what you need ...

To begin, you need to enable the Developer tab in Excel. This tab provides access to the tools required for form creation, but it is not enabled by default. To enable ...