For basic chat functionality, Microsoft offers Teams, an obvious replacement for all those familiar with Skype. Google, in turn, provides Hangouts Chat, making it easy for teams to get their work done in one place.
But another popular, beloved instant messaging platform to consider is Slack. It’s essentially a chat room for the entire organization, designed to replace email as a method of communication and sharing. Its conversations are private, encrypted and secure.
Both Teams and Slack allow you to organize communications by different groupings (“Teams” in Teams and “Channels” in Slack) but also let you do private, one-on-one messaging. Each software makes it easy to share files all in one place.
The biggest difference between the two is that Slack is a quick, easy set-up; administration requires less effort. Teams is designed for larger enterprise companies; while it’s arguably more complex, it offers good integrations with Office 365 applications.