To convert NSF database files into MBOX format, you can try advanced NSF to PST Converter software that will successfully export Lotus Notes email to new MBOX file(s). You can convert single as well as multiple NSF files at a time. Before exporting the data, users can check their preview. The software is user-friendly and easy to-use for both technical & non-technical users. It supports all major versions of IBM Notes including the latest 9.0.1.