Export Merges all List ????

Former Member
Former Member
BaseCamp 4.6.2

I have a folder (one of many) that has two sub-folders. Each sub-folder has 3 or 4 list. I need to export this main folder to a different computer. When I do it merges all the list into one list. Is this normal? Is there a work around? I need to maintain the sub-folder/list structures.