The Reset button in the Customize dialog box restores all of the toolbars to their original settings. Resetting the toolbars:
returns all default Abaqus/CAE toolbars to their original visibility settings;
relocates all default Abaqus/CAE toolbars to their original positions below the main menu bar; and
deletes all custom toolbars.
These setting do not take effect immediately; you must restart Abaqus/CAE to see the changes. Any changes you make to the toolbar settings between clicking the Reset button and restarting Abaqus/CAE will not be saved.