Is it possible to do motion study analysis on a step file in solidworks?

I would like to do a motion study analysis in SolidWorks, but I wonder that can I do the analysis on a step file? I am asking this because the mates are not available on a step file.

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2 Answers

No mates, no motion, or at least correct motion.
You'll need to apply new mates to your assembly.

 
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Best thing to do is save the new assembly and all the part files that come with opening it. You will unfortunately have to re-assemble the assembly, but for accurate results, it's what needs to be done.

 
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