Sign in to your InVision account here: your-team-name.invisionapp.com
In the lower-left corner, click the [Your Team Name] dropdown, and then click People & Team settings.
The Team page will open with the People tab active.
Click the + sign at the top right.
Enter the invitees’ email addresses, separated by commas, and click Next.
Verify that the email addresses are accurate, make any role changes, and then click Invite.
To let people join your team without requiring an invitation, you can set up Approved Domains. With the Approved Domains feature enabled, anyone can sign in to the team by using an approved email address—i.e., an email address from an email domain that a team admin or owner has previously authorized.
For more on teams, check out these related articles: