If this is True, a drop down arrow will be displayed next to the cell when it is selected. When the user clicks the drop down arrow, a drop down will be displayed with the list of accepted values.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2