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Correct procedure for saving post processing plots?

Hi,
 
I am analysing data from tests of two different vehicles in adams car post processing window and comparing results on the same plot. When I exported the plot config file and opened it up again, I get duplicate results of each curves, meaning the legend contains several of the same data names.
 
What I am asking is, what is the correct way to save plots so that they can be accessed at a later date, to be edited and added to?
 
Thank you