Follow the steps below to create a drop-down list using data validation in Excel. If you want to add a message pop up, you can click the Input Message tab and check the checkbox for “Show input ...

We’ll create two Excel drop down lists based on this simple data set. We need two Excel drop down lists. The first Excel drop down list will set the condition, the region.

We’ll add two items to the dropdown list, but you can add many more. Now, let’s insert the data validation control. Using the simple demonstration sheet shown in Figure A , click B2.

TL;DR Key Takeaways : Multi-level dependent drop-down lists in Excel streamline data entry by allowing each list to depend on the previous selection, reducing errors and enhancing data management.