**To disable an existing entity** The following ``deregister-from-work-mail`` command disables an existing entity (user, group, or resource) from using Amazon WorkMail. :: aws workmail deregister-from-work-mail \ --organization-id m-d281d0a2fd824be5b6cd3d3ce909fd27 \ --entity-id S-1-1-11-1111111111-2222222222-3333333333-3333 This command produces no output.