Block bad data, duplicates, and incorrect dates with these custom rules.

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 ...

Dependent drop-down lists in Excel are a powerful tool for enhancing data entry efficiency and accuracy. By creating lists that dynamically update based on the selection in another list, you can ...

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 ...

In order to perform this operation, you will need at least two sheets open in your workbook: a working sheet and a blank sheet where you can compile your lists. The first step is to create your list.