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HELP: Same software version - problem loading osx zpr in the windows Zbrush

Hello, I’m facing a big problem.
I migrate from osx to windows, the software is the same 4r7 p2 for osx and 4r7 for windows. I cannot open any of my osx project in the windows zbrush. I have months of works to finish. how can I open the osx zpr in the windows zbrush?

Thank you so much