The main purpose of an intranet in a company is to enhance internal communication and collaboration among employees. It serves as a private network that allows the organization to share information, resources, and tools securely. Common uses include distributing company news, documents, and policies, as well as facilitating collaboration through project management tools and forums. An intranet can house employee directories, training materials, and knowledge bases, improving accessibility to vital information. By streamlining communication and fostering a connected culture, intranets play a crucial role in increasing productivity and employee engagement.