(The information in this topic contains file-specific information for the "General Import Procedure" covered in the "Importing CAD Data" topic.)
The JT file format is a relatively light-weight file format capable of containing large assemblies of parts with faceted data, lighting, textures, curves and surfaces; product and manufacturing information (GD&T callouts); and other information. It is useful for visualization and collaboration.
You can choose to import a .jt file.