CAD tip # 8311:

Question

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How to save Revit project to an older version?

BIM applications, including Autodesk Revit, use file formats, which are only upwards compatible - so by default you cannot save ("downgrade") projects to an older version of the given CAD/BIM application.

An alternative way of transferring a substantial part of your project (BIM model) to a previous version of the program is the exchange format IFC (Industry Foundation Classes, specified by IAI). Revit supports both export and import of this format. So instead of saving RVT perform an Export to a .IFC format file in the higher version, and then Import this file in the lower version. See "R" > Export > IFC and "R" > Open > IFC.

Always use the highest version (specification) of the IFC format supported in both versions of the application - e.g. "IFC 2x3" or "IFC 2x2" and set the requested export options (views, segmentation of building elements, etc.) - see "IFC Options".

Remember that part of the project information will not be transferred when using this method.

Revit

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8.11.2011 68678×

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applies to: Revit ·

See also:
Tip 14114:	How to export 3D Solids from Advance Steel to IFC format?
Tip 14075:	Overview of CAD formats supported in Inventor 2025 (import/export/AnyCAD).
Tip 14053:	Why doesn't my export from Civil 3D to IFC 4.3 export surfaces and solids?
Tip 13800:	Visually compare 3D geometry in CAD and BIM files.
Tip 13404:	How to import an IFC file in AutoCAD?

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