Pressing the More button and selecting Sort will display a dialog box, allowing you to sort the User Commands.
By default, the User Commands will be sorted alphabetically on their description. The following options can be set to modify the default behavior.
Place Submenus at top
Enable this, to place all submenus at the top.
Place Submenus at bottom
Enable this, to place all submenus at the bottom.
Sort Submenu contents
By default, submenu contents will not be sorted. Enable this option to also sort submenus.