This paper deals with a case of organizational change “triggered” by a process of digital transformation. More specifically we refer to the management of change activated in the Supreme Court of Cassation and related to the introduction of the on-line civil trial (Processo Civile Telematico, PCT). In this case change management has been designed in accordance with a participative logic, high involvement and cooperation of the various organizational actors with the aim of re-designing activities and work processes according to a bottom-up model. In this setting, change is related not only to the innovation of rules and procedures, but above all, to the management of people, through the adoption of an approach that can we term as “behavioural”.