Formal organizational communication is more important that informal organizational communication. Why?

 Because the organization acts only in the way its organizational communication directs it to act, organizational communication is often called the nervous system of the organization. Formal organizational communication is generally the more important type of communication within an organization, so managers should encourage its free flow.
One strategy for promoting formal organizational communication is to listen attentively to
messages that come through formal channels. Listening shows organization members that the manager is interested in what subordinates have to say and encourages them to use formal communication channels in subsequent situations.