InthecasethatyourRCXfiledoesn'topen,itishighlylikelythatyoudonothavethecorrectsoftwareapplicationinstalledonyourPCtovieworeditRCXfileextensions.

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In the case that your RCX file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit RCX file extensions.