You can store PKT files in , Dropbox, or OneDrive. This ensures all team members are using the exact same "source of truth" for subassemblies. Backward Compatibility
The best sources for updated subassemblies often come directly from software developers or regional infrastructure authorities who maintain "State Kits." civil 3d subassembly pkt download updated
Civil 3D now links directly to the .pkt file like an Xref. If you edit the PKT in Subassembly Composer, Civil 3D notifies you to refresh the drawing. You can store PKT files in , Dropbox, or OneDrive
For 2026 users, there are now batch tools available to help downgrade newer PKT files for use in older versions of the software. You can store PKT files in