Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, how this works depends on whether the source data is part of a formatted ...

How to run a VBA procedure from a data validation control in Microsoft Excel Your email has been sent There are lots of ways to execute a VBA procedure in Microsoft Excel. You can add macro buttons at ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

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 ...

When you work with Excel, you often need to ensure that the data entered into your spreadsheets is accurate and consistent. One effective way to achieve this is by using a drop-down list. In this ...

is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 years. Microsoft is overhauling Excel with the ability to support custom live data types.

Spreadsheet software is supposed to make life easier, not torture you with endless hours of data entry. Before you curse Excel and wish that you were working back in the good old days of paper ledgers ...