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 ...

Here are four ways to express dates using data validation: literal values, input values, a list, and formulas. I’m using Excel 2016 (desktop) on a Windows 10 64-bit system.

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 update this spreadsheet with new or different data, you won’t have to re-create the validation rule, but you will need to click Circle Invalid Data again. This tool would be useful to bring ...

Automated Data Entry in Excel. One way businesses can save time and money is using Excel spreadsheets as data tables in which to store customer information, inventory details or other important data.