Most people set up a dropdown list to make spreadsheets smarter with Excel's data validation. However, the Custom option in the Data Validation dialog accepts any formula that returns TRUE or FALSE, ...

With the FILTER function, adding or changing criteria instantly updates my results, while the original data stays intact.

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 ebook: ...

Susan Harkins shows you a quick method for removing validation rules for multiple ranges in Excel, at the same time. Validation is a powerful feature that lets you control the data users can enter ...

Learn a quick and easy straightforward method for creating dependent drop-down lists in Excel using range functions, without relying on complex formulas. By organizing data with dynamic ranges, each ...

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 ...