Aug 11, 2026 – Autodesk released the Civil 3D 2027.1 versions of Geotechnical Modeler, InfoWorks ICM Import and Export Plug-in, PPK Survey, Rail Data Exchange, and the REB Import and Export Plug-in
The Civil 3D 2027.1 versions of the Geotechnical Modeler, InfoWorks ICM Import and Export Plug-in, PPK Survey, Rail Data Exchange, and the REB Import and Export Plug-in are available via Autodesk Access or via download from the Autodesk subscription site.
The official listed release dates for these Extensions and Plug-ins is Aug 10, 2026.
The Civil 3D 2027 Plug-ins appear in the Civil 3D Toolbox tab after installation.
Most Civil 3D Extensions add capabilities to the main Ribbon menus.
We can guess that these Extensions and Plug-ins support .NET 10.0.
Geotechnical Modeler Extension 2027 for Civil 3D
The Autodesk Geotechnical Modeler Extension 2027 for Civil 3D enables users to create, manage, and visualize geotechnical data within Autodesk Civil 3D, supporting subsurface modeling and analysis workflows for civil engineering and infrastructure projects. This release provides compatibility with Autodesk Civil 3D 2027 and delivers the latest version of the extension for users who require integrated geotechnical modeling capabilities.
See the Release Notes.
InfoWorks ICM Import and Export Plug-in 2027 for Civil 3D
The Autodesk InfoWorks ICM Import and Export Plug-in 2027 for Civil 3D enables users to import and export design data between Autodesk Civil 3D and Autodesk InfoWorks ICM, supporting integrated workflows for stormwater, wastewater, and drainage network modeling. This release provides compatibility with Autodesk Civil 3D 2027 and delivers the latest version of the plug-in for users who require seamless data exchange between Civil 3D and InfoWorks ICM.
See the Release Notes.
PPK Survey 2027 for Civil 3D
The Autodesk PPK Import Plug-in 2027 for Civil 3D enables users to import survey data stored in the PPK format directly into Autodesk Civil 3D, supporting efficient processing of geospatial and surveying information for civil engineering and infrastructure design workflows. This release provides compatibility with Autodesk Civil 3D 2027 and delivers the latest version of the plug-in for users who rely on PPK-based survey data import.
See the Release Notes.
Rail Data Exchange Extension 2027 for Civil 3D
The Autodesk Rail Data Exchange Extension 2027 for Civil 3D enables users to import and export rail design data between Autodesk Civil 3D and compatible rail engineering applications, supporting data exchange workflows for railway planning, design, and infrastructure projects. This release provides compatibility with Autodesk Civil 3D 2027 and delivers the latest version of the extension for users who require rail data exchange capabilities.
See the Release Notes .
REB Import and Export Plug-in 2027 for Civil 3D
The REB Import and Export Plug-in 2027 for Civil 3D enables users to import and export design data in the REB format, supporting data exchange workflows between Autodesk Civil 3D and external engineering applications used in civil infrastructure projects. This release provides compatibility with Autodesk Civil 3D 2027 and delivers the latest version of the plug-in for users who require REB-based data exchange capabilities.
See the Release Notes .