Block bad data, duplicates, and incorrect dates with these custom rules.

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 ...

One of the most common tasks in data analysis is counting unique entries within a dataset. This process can be time-consuming and prone to errors when done manually, but Excel 365 offers a solution ...

Excel’s dynamic, dependent drop-down lists are a fantastic solution for data management. These lists automatically adapt to your data, ensuring accuracy and efficiency. Dynamic array formulas are the ...

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...

How to create a sorted unique list in an Excel spreadsheet Your email has been sent Microsoft 365's UNIQUE() function is a great reason to upgrade. Combine UNIQUE ...