Digitalization, which has become a modern trend in social development, is most often viewed from the standpoint of Economics and Informatization. Digital technologies are rapidly changing our lives, they are being introduced into the economy, social sphere, affect or will soon affect many citizens (introduction of electronic passports, sick leaves, work record books). The relevance of the study is associated with a clear lack of scientific papers currently considering both the conceptual framework and the legal aspects of digitalization. Purpose. The purpose of the study is to consider the concept of digitalization and the categories accompanying it, the substantive aspects that distinguish new digital technologies from familiar information technologies. The focus is on the legal regulation of the digital environment. Materials and methods. The methodological basis of the study covers the totality of general and special methods of cognition. Among them are analysis, synthesis and analogy. However, special legal methods (formal-legal, system-structural, comparative) were mainly used. Research results, discussions. The study revealed a lag in the legal framework from the already existing relations in the field of digitalization. The concept of digitalization received modern design only last year, when it acquired the status of a National Programme. The current legal acts underlying the digitalization have been analyzed. A package of draft Federal Laws has been examined in detail, the adoption of which is planned in an accelerated manner in order to bring legal order into the rapidly developing social relations in the digital environment. The article has practical significance allowing us to systematize new knowledge in the field of digital technologies, which significantly change the relationship between people, in business, social sphere and public administration.