PML is no doubt a gret program. But not essential. I don' thave it.. Or rather I think I do but I coudnt' figure out how to use it. Oldfashioned export/import works fine, as long as you pay attention to the checkboxes :)

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.