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.

Data validation is the foundation of creating drop-down lists in Excel. By setting up data validation rules, you can create lists that automatically update as your data changes.

Learn how to create a drop-down list using Data Validation in Excel. Data Validation limits the type of data that can be entered into a cell.

The Data Validation feature in Excel 2013 offers a List option to confine selections in a cell to a preconfigured series of values. This selection can further influence the values in another list ...

This illustrated walk-through (with a demo worksheet) shows how easy it is to create a multi-column search solution using validation lists and conditional formatting.

Learn how to create a drop-down list in Excel without or with color using conditional formatting and data validation rules.

Excel’s data validation feature offers an efficient way to perform a variety of tasks. This collection of techniques demonstrates several handy ways to put data validation to work. From the ...

Saving a set of data in this format will removing any special Excel formatting from the data and simply place it in a list, with a comma separating each piece of data.

When you update this spreadsheet with new or different data, you won’t have to re-create the validation rule, but you will need to click Circle Invalid Data again. This tool would be useful to bring ...