Data Validation is a feature in Excel that allows users to pick from a list of rules to limit the type of data that can be entered into a cell. Follow the steps below to create a drop-down list ...

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, you need to know ...

Validation is a powerful feature that lets you control the data users can enter into an Excel sheet. Chances are that once you’ve put these rules into place, you’ll not want to remove it, but ...

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 ...

Data validation is the foundation of creating drop-down lists in Excel. By setting up data validation rules, you can create lists that automatically update as your data changes.

To view the Data Validation restrictions for a cell or a range of cells in Excel, select the cell or the range of cells, then go to Data > Data Validation. In the Data Validation window, select ...

Even with validation rules and standardized formats, data entry errors can still slip through. Fortunately, Excel’s Find and Replace function makes it easy to hunt down and correct mistakes or ...

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