Most people set up a dropdown list to make spreadsheets smarter with Excel's data validation. However, the Custom option in the Data Validation dialog accepts any formula that returns TRUE or FALSE, ...

Susan Harkins shows you a quick method for removing validation rules for multiple ranges in Excel, at the same time. Validation is a powerful feature that lets you control the data users can enter ...

Excel's conditional formatting tool applies formatting depending on cells' contents. Validation rules can change cells font, style, size or border. They can also change the text's color. For example, ...

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 ...

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 ...

Format hierarchical financial data using formula-based conditional formatting rules. Build detailed Excel P&L layouts that ...