You can add or delete items from your drop.
How to create drop down list in excel with data from another sheet. In the data validation window that opens, select list under allow, and under source,. You can make a worksheet more. Web computer android iphone & ipad create a dropdown list in google sheets, open a spreadsheet.
Web then select data from the menu, and select data validation in the ribbon. Make sure the items are consecutive (no blank rows).