Following customer(s) -plural- use case:

OEM sent first revision to customer, how open CATProduct/CATParts into CATIA V5 and save to 3DExperience.
After a while OEM sent an update of CATfiles to customer. Customer open it at CATIA V5.
Example first provided OEM content:
OEMPart_Descripton_RevA_26032025.CATPart --> prd000xxxxxx1.A

second / updated provided OEM content
OEMPart_newDescription_RevC_03062025.CATPart --> should be prd000xxxxxx1.B, currently is prd000xxxyyy1.A

UUID of CATParts are identic.

Question: how to save the updated CATfiles into 3DExperience as new revision?

available user roles: CSV, IFE, X-CADConnector for CATIA V5 or Collaborative Design for CATIA V5. NO CATIA 3DX native client, no FBDI)

Similar question was reaised some month before by other users.