You can convert NSF files to Apple Mail EMLX using third-party software. There is no manual solution that can convert emails from Lotus Notes to the EMLX file format. Hence, NSF to EMLX Converter is suggested to use. This is a smart and safe solution to export emails with attachments from Lotus Notes to the EMLX file format. 

Here are some salient features of the NSF to EMLX Converter—

1. Simple to use, requiring no technical knowledge.
2. Extract data from any large NSF file and save it as an EMLX file.
3. Easy and secure conversion of Lotus Notes files to EMLX
4. View the entire Lotus Notes data set before converting it to an EMLX file.
5. The program supports all versions of Lotus Notes.
6. Desired location for Lotus Notes NSF file saving
7. Selected emails are exported from the NSF file to the EMLX file.
8. It is installed without a hitch on all versions of Windows.
9. Conversion results that are 100% safe and instant.
10. Try a free trial first before you pay for the software.
11.  Keep email headers, formatting, and the original database structure.