To configure the cells in a multicolumn listbox or table to create a new line in a cell when you press the <Enter> key, right-click the multicolumn listbox and select Multi-line Input from the shortcut menu.
Macintosh and UNIX Press the <Return> key.
If you enable multiple line input, right-click the listbox or table and select Autosize Row Height from the shortcut menu to size each row to its contents and display all the data in each cell.