When a user leaves the lab, you can either remove them from the lab or you can block the user. Blocked users remain members of the lab but are unable to view the group's data. To block a user, navigate to Groups and click Manage Members. Alternatively, you can also manage group members by navigating to Group Members in the Configuration menu.

Select Blocked from the user role drop-down menu. Note that in addition to the Administrator and the Normal user roles, Blocked is a default user role option in the system.

Note that blocked users are not counted as an active seat in your license plan. After blocking a user, the license assigned to their account will automatically be removed and become available for another user.