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Exporting Quick Select Sets from Maya to ZBrush 4

So in Maya, I create some quick select sets and then export it as an OBJ. Then I import the OBJ into zBrush 4 and when I turn on the polyframe option, none of the quick select sets are there. I did try and import the same OBJ onto zBrush 3.5 and the quick select sets were there. How can I enable zBrush 4 to do that?

Import Polygroups under preferences.

Thanks,

I knew it had to be something as simple as that.