Once you've a dropdown listing, you may add/take away choices inside it anytime later. However, you must have entry to the worksheet containing these values. Also, it depends upon what kind of dropdown listing you might be using. For instance, in case you are using a dropdown inside an Excel desk, you may enter the brand new worth on the finish of the desk, and the dropdown choices are routinely up to date. Likewise, if you wish to delete an possibility, choose the cell and press the Delete key. On the opposite hand, it's important to update the choice of the cells manually for the dropdown listing using cell vary or named vary.