Communication is a very broad term which is very difficult to define, but in the broadest sense it represents the successful transfer of information from the sender to the receiver. The most important thing in communication is that its content remains identical during the transfer process in order to prevenet the misunderstandings. These misunderstandings are especially disastrous if it is a question of communication in a company because they can lead to various problem for entire company and its success. Organizational communication is very complex field and it depends on different rules and relations within it. Those rules and relations are part of a system in which it is important that each part functions as intended. Managing such a complex system is the subject of various theories and it requires a lot of skills to successfully navigate multiple communication levels. This requirement is most often in the hands of managers who must look for the most effective ways of communicating and exchanging information. In doing so, managers must take into account the existence of various communication networks and protocols which must be respected regardless of whether they are formal or informal and whether communication is carried out via business letters, e-mail or video conference. It is important to take care of the directions of communication as well as the methods of communication tor the successful organization management,. In order to make it easier for managers to review and speed up the management of information, there are various information systems for managers. These information systems are only one of the tools of successful communication and they were created for the purpose of removing various obstacles that may appear in communication - from those at the individual level to those at the organizational level.