Data Validation in Microsoft Excel allows users to control the type of data entered into the worksheet. It picks from a list of rules to limit the type of data that can be entered into a cell.

In this example, that would be E2:E51. Go to Data on the Ribbon, and in the Data Tools group, choose Data Validation. The Data Validation window that pops up allows you to set your criteria in many ...

In this article we will show you how to display multiple columns in a validation list in Excel. We will show you a method that can then be applied to your data. To create a validation list with ...

By combining Excel’s GROUPBY function with dynamic formulas, data validation lists, and conditional formatting, you can create an interactive data summary with robust drill-down capabilities.

Figure A We’ll add a data validation control to this sheet. Click the Data tab, and then, click Data Validation in the Data Tools group. In the resulting dialog, choose List from the Allow dropdown.

At this point, you have a multi-range selection. Click the Data tab. From the Data Validation dropdown, choose Data Validation. In Word 2003, choose Validation from the Data menu.