MSN Messenger

MSN Messenger was an instant messaging client developed by Microsoft, first released in 1999. It allowed users to communicate in real-time over the internet, primarily through text-based conversations. The service also supported features like emoticons, file transfers, and customisable buddy lists.

The software was widely used for personal communication, enabling individuals to connect with friends, family, and colleagues. It was available on various Windows operating systems and was a prominent tool for online social interaction during its active years.