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: ...

Data validation in Excel lets you restrict what can be entered into a cell, whether whole numbers, decimals, dates, or a certain number of characters. However, one of the most powerful capabilities of ...

An curved arrow pointing right. 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.