You have to contact them directly, because they're the only ones who have access to the users list and the portal access. If there is a misunderstanding, I am sure they will comply with your requests to give you access to your data or if you don't want to use them anymore, then simply request that your data to be exported to a format that you can use in another application.
Use the following link then click on the Contact US button on the right side: http://www.rentwithexit.com/
