Navisworks: problem with Revit IFC: not all elements are visible

Just got a problem with an IFC file created from Revit.¬†One of my customers send me an email telling me that, after loading the IFC in Navisworks 2017, he couldn’t see all objects. Surprisingly, when I opened the same IFC file in my Navisworks 2017 (same version, same update releases as the customer) I could … More Navisworks: problem with Revit IFC: not all elements are visible