Database from .NSF to .PST

I am seeking a highly skilled professional to facilitate the migration of a significant corporate email database, approximately 14 GB, from the Lotus Notes .NSF format to the Outlook .PST format. The database, originating from 2017, is likely from version 8.5 or 9. Unfortunately, I lack the ID key necessary for data access. I would like to ascertain the feasibility of performing this migration without the ID key and require a detailed outline of the process involved. Your expertise in managing such complex migrations will be invaluable and treated with the utmost confidentiality.