Instant messengers are commonly used in corporate networks. This document provides best practices for configuring and using instant messengers appropriately at work. It recommends turning off unnecessary notifications, enabling chat history saving, and using meaningful statuses. Statuses like "Available" and "Busy" help colleagues decide whether to initiate chat. Proper etiquette like greeting others and keeping messages brief and work-focused is advised. Personal or confidential information should not be shared over instant messenger.