Interoperability Between Versions
This topic describes how to open an Autodesk Civil 3D 2019 drawing and view the Autodesk Civil 3D objects in a prior version of the software. It also describes interoperability between Autodesk Civil 3D 2019.2, Autodesk Civil 3D 2019.1, Autodesk Civil 3D 2019, and AutoCAD Civil 3D 2018.