

In this case, the only you can do is to ask for assistance of a professional staff. If the problem with the GPW file has not been solved, it may be due to the fact that in this case there is also another rare problem with the GPW file. If you are sure that all of these reasons do not exist in your case (or have already been eliminated), the GPW file should operate with your programs without any problem.


There may be other problems that also block our ability to operate the Autodesk AutoCAD Civil 3D Hydraflow Hydrographs Extension file. The inability to open and operate the GPW file does not necessarily mean that you do not have an appropriate software installed on your computer.
