Use Excel data validation to prevent duplicate values ... The COUNTIF() function counts the number of cells in a range that meet a specific condition. You supply the range and a condition as ...

Data Validation in Microsoft Excel allows users to control the type ... and 3, or only allows number allow numbers greater than 1000 as valid entries. Data Validation is used to provide accuracy ...

How to force a consistent phone number format in Microsoft Excel Your email has been sent Combine an Excel custom format with data validation and remove the pressure for input perfection from ...

Q: I have an Excel spreadsheet that I update weekly with our employees ... Fortunately, you can automate this task using Data Validation tools. I have created an example spreadsheet to mimic the issue ...

By smartly using cell borders, shading, data validation, and other formatting techniques, you can improve the visual appeal of your Excel spreadsheet ... I ensure all text, numbers, and headings ...

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 ...

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 ...

Excel's conditional formatting tool applies formatting depending on cells' contents. Validation rules can change ... An Excel chart's legend identifies its data series ...