Drop-downs allow people to pick an item from a list that you create. Click one of the cells in which you’ve configured data validation, and select the appropriate value. You can help people work more efficiently in worksheets by using drop-down lists in cells. Press OK after all settings are configured.If you don’t want a message to show up, uncheck the box. If you want an error message to pop up when someone enters a value that is not on the predefined list, check the Show error alert after invalid data is entered box.
If you don’t want a message to pop up, uncheck the box. If you’d like a message to pop up when the drop-down cell is clicked to give instructions, check the Show input message when cell is selected box. If it’s permissible to leave cells empty, check the Ignore blank box.In the Source box, select your list range by clicking into the worksheet and selecting the group of cells containing the items required for the drop-down list by holding down the shift key.On the Settings tab (the default tab that appears first), in the Allow box, click List. 4.6 HVAC systems should ensure that the specified room conditions are attained, for example through heating, cooling, air filtration, air distribution, airflow.Go to the Data tab on the ribbon at the top of the screen, then select Data Validation.Step 4: Add a default value from the dropdown list, if desired. These are the list items that will appear in the dropdown menu.