No. The viewer is independent.
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Yes โ โBIMx Desktop Viewerโ on Microsoft Store is free. ๐ Summary โ Free โ No cost for viewing โ Official โ From GRAPHISOFT โ Safe โ App stores only (avoid third-party โcrackedโ versions) โ Cross-platform โ Windows, Mac, iOS, Android bimx viewer download free
No, only .bimx files (exported from Archicad). For IFC, use a free IFC viewer like BIMvision or Autodesk Viewer. bimx viewer download free