In the textbook, in section I, the norms and standards of the official business style, genre templates, rules for preparing documents, and the basics of business ethics are set out in a simple, accessible form. It highlights aspects of business communication that, despite their importance, are not reflected in manuals on similar topics. This is information about the problems of adequate understanding of information, working with business terminology, and also gives an assessment of business jargon. Special attention is paid to the forms of information compression in the business text. The theoretical positions are illustrated by relevant examples from various areas of institutional communication. Section II offers a system of exercises for working with the voice as the main tool of business communication. This is the development of good diction and correct reading skills, exercises for mastering the basic rules of Russian orthoepy. Recommendations are given for preparing for a successful oral presentation. The features of phrase construction, the length of the phrase, contact-setting means, the rhetorical potential of the influencing speech, working with special vocabulary and digital information are considered.Meets the requirements of the federal state educational standards of higher education of the latest generation. For undergraduate students studying in management-related specialties.