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 # ansys.meshing.prime.ExportFluentMeshingMeshParams

 Last update: 20.02.2026 

<a id="ansys.meshing.prime.ExportFluentMeshingMeshParams.cff_format"></a>

#### *property* ExportFluentMeshingMeshParams.cff\_format *: [bool](https://docs.python.org/3.11/library/functions.html#bool)*

Option to specify whether to export Fluent mesh file in CFF format (.msh.h5) or legacy format (.msh, .msh.gz).

**This is a beta parameter**. **The behavior and name may change in the future**.