Populating a dropdown with a dynamic list is easy thanks to Microsoft Excel’s UNIQUE() dynamic array function.

How to use Data Validation for Excel Cells Data validation feature in Excel lets a user control what can be entered into a cell or provide a predefined list of acceptable entries to eliminate ...

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 ...

Learn how to use a data validation control to allow users to select when to run multiple VBA procedures in Microsoft Excel.

Use data validation Data validation is like setting the group rules for your Excel cells. It ensures that only the right kind of data gets in and eliminates any errors or typos.

Create data validation for accuracy You can also use data validation to ensure data accuracy by restricting input to specific types, values, or ranges.