CAD drawing created with PowerCADD 7, a Macintosh-only architecture and design program; may contain building designs and layouts, machinery designs, or 2D drawings.
NOTE: PowerCADD may not add the ".pc7" file extension by default, but it may be added by the user.
Program(s) that open pc7 files
Mac: Engineered Software PowerCADD 7
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/pc7
