Our drive that ProSeries is on is currently full. At this point, i'm deleting any and all .pdf's I can to open the software. We have a new server coming in a month, but we need access right now. I want to be able to move all or some of the years to a different server drive where there is more storage. What is the best way to move this data without losing anything important? 

P.s. I cannot remove other non proseries files, as its already barebones