Convert/upgrade ifc2x3 to ifc4?

Hi,

I wonder if there a way to convert/upgrade an ifc 2x3 to ifc4? The ifc 2x3 was created in revit but I don’t have access to it so I wonder if there is a way to work around it with the upgrade. I wanna open it in archicad but for it to function the way I want I believe it needs to be an ifc4.

You could try with BlenderBIM

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Can convert ifc4 to ifc2X3? Thank you!

The Opensource BIMserver has basic conversion functionality as well.

We also provide a cloud based application to convert into 4X3 where you decide the new Spatial Structure and the objects assigned to it, possibly changing their classes

https://www.accasoftware.com/en/refactoring-and-merge-ifc-files