spc file into Plant 3D that is done in the standalone AutoCAD Plant 3D Spec Editor.
spc file and a datafile.tbl from CADWorx are required. To import the industry spec into Plant 3D a. Plant 3D uses both a .pspc and a .pspx file extension. spc extension and also needs a CADWorx datafile.tbl for the conversion. xml extension, that defaults to project.xml. In CADWorx the project file has a.prj extension and in Plant 3D it has a. In CADWorx the file types are different from Plant 3D for the project file and spec file. When the occasion for the first import of CADWorx specs into AutoCAD Plant 3D arises, it's not obvious what files from CADWorx are required and where to convert them.
