What is Slack?

Slack is a platform for business communication that connects people providing the information they need to complete their tasks successfully. Slack brings people together to work as a single coherent unitary team in a single workspace. The workspace lets users communicate through public and private channels, exchange ideas and share files .

What makes Slack strong?

There's no need to send a slew of emails to the new member of your team because everything in Slack channels is searchable.
Slack allows real-time messaging, file sharing, calls, and other media.
If you're working together via email, you'll be exposed to spam and phishing. Using Slack Connect, you can securely collaborate with your business partners, suppliers, or clients.
Slack allows you to connect more than 2,400 apps such as your calendar
In order to reduce the amount of time spent back-and-forth during routine meetings and tasks, Slack lets you automate these processes.
Slack connects internal and external teams
Slack channels communications so everyone can exchange ideas, decide and advance work. It helps teams work faster and stay in sync.