Creating drop-down lists in your spreadsheets is a great way to ensure that only certain information is entered into a cell.

Microsoft Excel can save you time in lots of little ways, like adding a drop-down list to cells so that only pre-written text can be entered.

Follow the steps below to create a drop-down list using data validation in Excel. If you want to add a message pop up, you can click the Input Message tab and check the checkbox for “Show input ...

Now that your two-way lookup is complete, you could go one step further by adding a drop-down list to the cells containing the lookup values to speed up the data retrieval process.