Adding and switching between Slack teams in our Mac, Windows and Linux apps is easy:
Click the team name to open the Team Menu.
Select Sign in to another team.
Enter an existing team's domain and click Continue, or Create a new team.
Enter your email address and password to sign in.
The app will display your team icons on the left-hand side so you can switch between them easily.
If you're using Slack on the web, you can open each team in a separate browser tab — just enter teamname.slack.com in your browser's address bar to sign in. You'll be able to receive desktop notifications for all teams simultaneously.
If you prefer to use a single browser tab, visit the Team Menu and select Sign in to another team. You'll then be able to switch between teams from this menu.
Swipe left to right to open the channel list in the left sidebar.
Swipe right again until you see the Teams menu.
Tap the plus icon in the top right.
Tap Sign in to another team.
You can three-finger-swipe to quickly switch between teams you're logged in to.
Swipe right to open the channel list.
Tap the Team Menu.
Tap the Add team button to sign in to another team.
To switch teams, just tap the team name to open the channel list, then tap the Team Menu to switch teams
Tap the Menu icon in the top right to open the channel list.
Tap the plus icon at the bottom left to sign in to another team.
To switch teams, simply tap the channel list icon at top left, then a team icon in the left-hand team menu.