Can the set up files created for openfoam v4.0 (from .org) can be used for openfoam 1906 (from .com)?

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Ijaz Fazil Syed Ahmed Kabir

Michele Ferlauto thank u. From ur experience can you please let me know the difference between the two openfoam from these two groups.

Ingo Riess

For this kind of question, I'd recommend the OpenFoam user forum:

https://www.cfd-online.com/Forums/openfoam/

I believe there is no general answer. For most cases, the case set-up should be the same. But there may be some features not represented in the other version.