Access the Team Settings page. You can invite new members by adding their email address to the invite field. Remove team members by hovering or tapping over the team member's name and to reveal the Remove button.
If your Paste team is integrated with Slack, your Slack team members can join Paste simply by choosing the "Sign in with Slack" option on the web (www.pasteapp.com) or in the mobile app.
For Paste teams with Slack integration, all team membership and access is managed via Slack.