Go to Data on the Ribbon, and in the Data Tools group, choose Data Validation. The Data Validation window that pops up allows you to set your criteria in many ways. For our example, choose Whole ...

There’s no built-in duplicate rule for Excel’s Data Validation feature, but you can combine the feature with the COUNTIF() function to get the job done. To do so competently, ...

Excel’s data validation feature is underused because many users don’t realize how versatile it is, especially where dates are concerned. Dates seem to complicate things, but only in your head!

1] Enter Data Validation Details. Open the Microsoft Excel file, select the cells you would like to limit. Go to the ‘Data’ tab located on the Ribbon menu. Under the ‘Data Tools’ select ...

Automated Data Entry in Excel. ... To create a custom list, click the cell in which you want the list to appear. Click "Data Validation" on the Data tab and click "Data Validation." ...

Did you know that you can leave notes on specific Excel cells for people to read? It’s a great way to safeguard against data entry mistakes by putting in reminders or instructions. Here’s how to set ...

Data validation in Excel is a potent guardrail, ensuring the integrity of the data entered into a spreadsheet. Restricting the type and range of input data plays an instrumental role in ...

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 ...

Data validation in Excel allows you to create drop-down menus right inside individual cells. You can also restrict the types of values entered into different cells.