If you were invited to your team’s Grammarly plan, check your inbox for an invitation email titled “You’re invited to join [Your Organization Name] on Grammarly” and click the link in it.
If you don’t see the invitation email in your inbox, please check your spam folder and any email filters you’ve set up. If you still can’t find the invitation email, please follow the instructions from this article: I don't receive emails from Grammarly. What do I do?