You can save the current toolbar settings to an .aqtlb file by selecting View | Toolbars | Save Toolbar to File from the TestComplete main menu.
To load the toolbar settings from a file, use View | Toolbars | Load Toolbar from File. To restore the default toolbar settings, select View | Toolbars | Restore Default Toolbar.
To save or load toolbar settings along with the panel layout, use the View | Desktop | Save Desktop As and View | Desktop | Load Desktop menu items.
To learn more about customizing TestComplete toolbars and menus, see Working With TestComplete Toolbars and Menus.