Go to Data on the Ribbon, and in the Data Tools group, choose Data Validation. The Data Validation window that pops up allows you to set your criteria in many ways. For our example, choose Whole ...

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

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.

Drop-down lists in an Excel sheet can greatly facilitate data entry. Here's a look at how to use Microsoft Excel's data validation feature to create handy lists within your worksheets.

Microsoft Excel makes it possible for users to easily get around incorrect data entries. In most cases, the user takes advantage of the data validation feature.

Data validation in Excel allows you to create drop-down menus right inside individual cells. You can also restrict the types of values entered into different cells.