In this article, you will learn how to apply data validation and protection rules in Excel to prevent data entry errors. Top experts in this article Selected by the community from 15 contributions.

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 ...

Data validation in Microsoft Excel is an incredibly useful feature that can help users control the type of data or the values that users enter into a cell. This feature can limit errors during data ...

However, to ensure the accuracy and security of your OLAP data, you need to apply some data validation and security rules in Excel. In this article, we will show you how to do that in six easy steps.

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!

Now you’ll want to click the Data tab in the Ribbon. Click Data Validation and then select Data Validation. Under Allow, select List. For Source, select the range of cells where you’ve listed your ...

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 ...

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 ...

Set data validation If you want to insert different task priorities (High, Medium, or Low) and Status (Pending, Ongoing, ...