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 ...

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.

Google Sheets packs a lot of powerful features under its simple interface. Try these intermediate tips to take your ...

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 ...

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.

To add a drop-down list, you'll have to use the Data Validation function in Google Sheets. Here's how to add a drop-down list in Google Sheets, from either a list of items or a specified range.

Susan Harkins shows you a quick method for removing validation rules for multiple ranges in Excel, at the same time.