To apply data validation rules to a selected cell or range, head to the "Data" tab on the ribbon, and click the top half of ...

You can easily create a drop-down list in Excel to limit the values that can be entered in a column. Here's how to set one up ...

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 ...

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 ...