PowerPoint add-ins help in adding new capabilities that can polish your presentation in many ways. But when the time comes to uninstall these add-ins for whatsoever reason, you might be surprised to find their menu customizations still exist! In another scenario, you may have customized your PowerPoint menus and toolbars to a large extent — and may now want to restore everything to a pristine state. In either case, it is possible to lose all these customizations. The key to this solution lies in PCB files.