To write this article, I went beyond the limits of my technical knowledge, which is that of an advanced user who has studied standard formats and their characteristics in depth, to understand why standard formats – one of the pillars of digital sovereignty – and proprietary formats – their opposite, and one of the biggest obstacles to digital sovereignty – are not perceived as a problem by most PC users, who continue to use Microsoft’s proprietary formats and place the access and availability of their content in the hands of the US company.…