In the article the essence of defenitions “digitalization”, “digitization” and “virtualization” of business processes are determined. The author proves that all these areas of activity are the stages of the modern information revolution in the business environment. It is determined that digitization involves the conversion of analog data on paper into digital format, and digitalization is the introduction of modern innovative information technologies, software products, IT solutions in the activity of enterprises. All these processes are aimed at optimizing the management of enterprises. Both of them are the basis of the virtualization of modern business. The article summarizes the reasons for the need to digitalize business processes: the necessity of quick adaption to the changes in consumers’ demands, of establishment of strong relationships with them, of building effective communication with external market participants and employees, of coordination and organization of remote work of employees. As a result of the research in the article the basic tools and technologies of digitalization of business processes of the modern enterprise of any form of ownership, the size and sphere of activity are generalized: planning and setting tasks for staff, document management and information exchange, communications between employees and management, organization of meetings, seminars, webinars, sales of products and services, establishing and maintaining relationships with customers, evaluation of competitors, partners and own efficiency, comprehensive organization of office work remotely. In the work the comparative analysis of various tools and technologies are carried out (messengers as tools for digitalization of business processes, services for video conferencing), the advantages and disadvantages of them are revealed. According to the results of the study, the advantages of digitalization are determined. These advantages are: acceleration of all business processes at the enterprise, reduction of expenses for operational activity due to its considerable optimization, reduction of time for implementation of bureaucratic procedures. All this creates significant competitive advantages for the company in the market, its compliance with the requirements of the time and the needs of consumers, and accordingly is the basis for management efficiency.