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

Q: I have an Excel spreadsheet that I update weekly with our employees’ Actual Sales and Sales Goals. I manually insert a red circle to indicate those who did not reach their sales goal by more than a ...

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 ...

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 ...

Have you ever found yourself buried under a mountain of Excel spreadsheets, painstakingly updating formulas every time new data comes in? It’s a common struggle, one that can turn even the most ...

Have you ever spent hours manually updating a spreadsheet, only to realize there’s a faster, smarter way to get the job done? Excel is a tool most of us use, but few truly master. The irony? Some of ...

Office Q&A: How to stop Excel’s paste task from overwriting destination cell’s format Your email has been sent It's not easy to fool Excel, but with a few extra clicks, you can work around this odd ...