To open the Menu Sets editor,
select the Status Line drop-down list
and select Customize.
From the Menu Sets editor,
you can create, edit, rename, remove, and restore menu sets.
Menu Sets editor menus
Edit menu
New Menu Set
Creates a new menu set.
Rename
Renames the currently selected menu set.
Remove
Removes the currently selected menu set.
Revert Menu Name to Default
Restores the menu set to its default state.
This option is available if the menu set currently selected in the Menu
Sets column is one of the default Maya menu sets (the Animation, Polygons, Surfaces, Rendering,
and Dynamics menu sets in Maya,
as well as the Cloth menu set in Maya Unlimited).
Restore Default Menu Sets
Restores the default Maya menu sets (the Animation, Polygons, Surfaces, Rendering,
and Dynamics menu sets in Maya,
as well as the Cloth menu set in Maya Unlimited),
while preserving any custom menu sets that have been added.