Skype’s user base has steadily declined in recent years. Slack revealed that it serves roughly 10 million users per day, while Microsoft reported that 300 million users were on Skype per month back in 2016. With the ability to instantaneously send messages between co-workers and teams, instant messaging programs like Slack and Skype have become the standard-bearers of modern office communications.Ĭollaboration in the workplace depends on easy communication between co-workers, so it’s only natural that programs like Skype for Business and Slack have become some of the most used internal communication tools.

Though the technology has existed in some form since the 1960s, instant messaging (or “IM” to anyone who remembers the ’90s) has been among the fastest and most convenient methods for millions of people around the world to communicate. As a business messaging solution, Skype for Business has been replaced by Microsoft Teams.Slack and Skype have free versions, though they are both limited in what they can do.Comparatively, Skype has approximately 300 million monthly users. Back in April, Slack revealed they serve approximately 10 million users daily.Thanks to the ubiquity of smartphones, teams of employees can more easily communicate with each other, thanks to modern messaging apps like Skype and Slack.

Skype vs skype for business