Exchange Server provides many features that can help to improve productivity and collaboration within an organization, such as shared calendars, shared contacts, and email rules and filters, as well as the ability to access email, calendar, and contacts from multiple devices. It also provides many advanced features such as email archiving, compliance and information protection, eDiscovery, and more.

Exchange Server is an important part of an organization's IT infrastructure and plays a vital role in managing communication, calendaring, and contacts. It can help to improve productivity, security, and compliance, and also offers better mobility and collaboration.