CRM accepts different types of easy and quick user interface customizations like new menus, custom buttons, and navigation areas, which can be added
throughout the application.
To do it, only we should update the ISV.config, an XML file that we can export like any other customisation of CRM. However, although CRM validate this XML file, some error can be entered and our CRM interface can be damaged.
Supposing, like a good practise, we did a copy security of our original ISV.config, we will be able to import it again using this URL:
Directly, you will access to the Import Customization tool: