Base a Data Validation dropdown on the Region values. Now, let’s use UNIQUE () to create a unique list of region values and then base a data validation dropdown on that list.

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

You can add a drop-down list in Google Sheets to better organize data within your spreadsheet. To add a drop-down list, you'll have to use the Data Validation function in Google Sheets. Here's how ...

A common use of data validation is to create a drop-down list. Use it to restrict the type of data that users enter into an Excel cell.