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 ...

Drop-down lists in Microsoft Excel (and Word and Access) allow you to create a list of valid choices that you or others can select for a given field. This is especially useful for fields that require ...

When multiple data variables are accommodated in a project, the time and spatial grids of those variables must be identical. As such, you must control the data other people enter. That’s when you need ...