Deactivating a user from your organization is a seamless process. If you'd like to deactivate a user from your organization on Lawcus, either because they've served their temporary purpose or it's a mutual let-off, it gives you a chance to do that.
Deactivating a user account does not mess with any contributions made by the deleted user. You'll continue to have access to notes or any other file they added on matters, but instead of their name, it will be N/A purely because the user is no longer in the system.