If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the ...

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. From the ebook: ...

Follow the steps below to create a drop-down list using data validation in Excel. If you want to add a message pop up, you can click the Input Message tab and check the checkbox for “Show input ...

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. However, there are times when this ...