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 ...

Combine an Excel custom format with data validation and remove the pressure for input perfection from personnel by letting Excel do the work.

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.

On the Data tab, in the Data Tools group, click the arrow next to Data Validation, and then click Clear Validation Circles. If you want to read it in detail, do follow the entire article.