IFC 26.4.1 for Revit 2026

The Autodesk IFC 26.4.1 for Revit 2026 contains up-to-date improvements on the default IFC capabilities of Revit contributed by Autodesk and Open Source contributors.

The official release date was Dec 16, 2025.

IFC 26.4.1 for Revit 2026

IFC Extension for Autodesk Revit 2026 contains up-to-date improvements on the default IFC import and export capabilities of Revit contributed by Autodesk and our Open Source contributors.

This app is not necessary for IFC support. It is recommended that users that depend on the quality of their IFC download this app and keep it up-to-date, as new enhancements and defect fixes are added.

For more information on IFC, please visit the buildingSMART website or the Revit wiki.

This application seamlessly replaces the previously supplied built-in IFC mechanism.
Please use the standard IFC import and export UI to access this functionality.

IFC Extension for Revit 2026 contains various improvements and bug fixes for the basic Revit 2026.

See the IFC 26.4.1 for Revit 2026 Release Notes