Unable to load file

 Hi all, when i need to open a file I am unable to i get "unable to load invalid file version...... then shell command failed.... any ideas ( oh just in case this has anything to do with it I have version12 and a 30 day trial of V13

Thanks guys

Comments

  • By default the current V13 version saves to the AC2013 dwg format. V12 does not support this format.
  • You can configure the default format to save - set as DWG 2007 format (or 2010 format),
    which is safer if you give your drawing outside
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