How to Fill Colors in a List in Excel. With Microsoft Excel, you can simplify data entry by adding a drop-down list to a cell, allowing users to pick an option from the list instead of entering data.

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.

There’s no built-in duplicate rule for Excel’s Data Validation feature, but you can combine the feature with the COUNTIF () function to get the job done. To do so competently, you need to know ...

Excel’s data validation feature offers an efficient way to perform a variety of tasks. This collection of techniques demonstrates several handy ways to put data validation to work.