As such, you must control the data other people enter. That’s when you need Data Validation. Microsoft Excel makes this job simple. How to use Data Validation for Excel Cells ...

You can use Excel's data validation feature to make a drop-down menu in Excel that lets you specify that only yes or no answers, or other types of designated data, are allowed.

How to base a data validation dropdown on an array in Excel Now we’re ready to create the data validation dropdown that will display the unique list in column H.

This article will teach you how to create drop-down lists in Microsoft Excel using a feature called Data Validation. When applied, the Data Validation function serves to restrict data that can be ...

Click the "+" sign at the bottom of Excel 2013 to create a new sheet to use as a data source. Enter the values you need for the first drop-down list in column A on the new sheet.

Fortunately, Microsoft Excel’s data validation feature lets you create a dropdown, and the process is quick and easy as long as the list data is on the same sheet as the dropdown.

Incorporate dependent dropdowns and data validation to ensure consistent and accurate data entry, using formulas like XLOOKUP and rules for numeric inputs.

I've got an Excel 97 worksheet in which I need to validate some cells. No problem, I'll just use Data->Validate, right? Wrong. The built in validation works well enough as long as the user doesn't ...