Click the Data tab and select Data Validation in the Data Tools group. A Data Validation dialog box will appear. Under Allow, click the drop-down arrow and select List from the drop-down list.

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.

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 use Excel's data validation feature to make a drop-down menu in Excel that lets you specify that only yes or no answers, or other types of designated data, are allowed.

You can use a custom list as previously mentioned or select another set of criteria. On the Data Validation dialog, choose the criteria you want to use in the boxes on the Settings tab.

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