Today, technology is advancing at a rapid pace, which is why businesses need to keep up with the competition in order to be able to react exactly on time. A big reason for the development and improvement of business response in time is through communication, which is of great importance for the entire development of office business. The use of information technology facilitates work in offices are made simpler by using robots to speed up all business processes. 5G network is using high speed network and support a large number of users on the network will facilitate the smooth operation of all office operations. The aim of this paper was to show the impact of the 5G network on the development of office operations. Through selected examples of the application of artificial intelligence, big data, the Internet of Things and groupware tools, an effort was made to point out the importance of introducing a 5G network in offices. The results of this work can be helpful to all those who aim to modernize their office operations and thus be more competitive in the Croatian, European and global digital market.