Excel's data validation feature is more versatile than you might think. Learn how to use literal values, ... In the End Date control, enter the last date in the period (Figure A).

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 ...

In Data Validation dialog box, click on Settings tab. In the Allow drop-down, you can specify what data is allowed in the cell. It can be a whole number, Date, Decimal or even custom formula can ...

Now, let’s insert the data validation control. Using the simple demonstration sheet shown in Figure A , click B2. Feel free to use one of your own files if you like or choose another cell.

Implement Data Validation Rules. In this step, you’ll use the Excel Data Validation tool to restrict the type of content that you can add to the attendance sheet. Here’s how: Select the Clock-In Time ...