Data Validation Based on Current Lists

There is an Excel file that teaches how to perform the Data Validation Based on Current Lists operation.

Excel Dashboard for Data Validation Based On Current Lists

Data validation lists are automatically updated through a macro in this file. Additionally, dropdown options are dynamically refreshed as the source data changes. Thus, users are always presented with up-to-date options. For this reason, it becomes a critical solution for organizations that want to prevent data entry errors. Therefore, practical ways to create dynamic data validation are learned through this file.

Hope it is useful.