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, ...

Data validation in Excel lets you restrict what can be entered into a cell, whether whole numbers, decimals, dates, or a certain number of characters. However, one of the most powerful capabilities of ...

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 offers an efficient way to perform a variety of tasks. This collection of techniques demonstrates several handy ways to put data validation to work. From the ebook: ...

If you see the error “This value doesn’t match the data validation restrictions defined for this cell” when entering a value in an Excel cell, the solutions ...

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 ...

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

Download our free Excel leaderboard template to track project performance. Apply dynamic sorting formulas like RANK.EQ to ...