Export lists with users from Acymailing 8 from joomla to Wordpress

Hello
I need to export my joomla lists and users in my wordpress website.
I can export the users (more than 2000) but I lose the informations of the lists (34) !
How can I keep them both ?
Both site are with the last version of Acymailing
Can you help me ???
Thanks a lot
Marietek