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.

Although more secure than right-clicking a tab and clicking "Hide," making a worksheet very hidden isn't a fail-safe method ...

Google Sheets is basically a free, collaborative version of Microsoft Excel. And even though free usually means you can't do as much, Google Sheets does still allow you to add drop-down lists to ...