You can easily convert Mac EML files using MacXtra EML File Converter. The tool supports macOS Machines.
Launch the EML file Converter on your Mac Computer and choose one option from Add File(s) or Add Folder(s).
Check uploaded EML file from the software panel and click on the Next button.
Choose saving format from PST, MSG, HTML, MHT, CSV, PDF, etc.
You can also select the file naming option if required.
The Conversion of Mac EML completed successfully, you can see the message of completion.