What is IT Support? IT Support is the process of calling in a company to help you with your computer issues. The company provides help in a variety of ways including phone calls, online chat, and remote sessions. Active support is a type of customer service that nearly everyone has experienced at one point or another. It is provided by IT experts who can answer questions and provide real-time assistance to your computer. When a customer calls in, the support team is often available round-the-clock and can help you resolve your problem quickly.