You can easily convert Mac MBOX files to HTML using MacUncle MBOX to HTML Converter. The tool supports Mac OS Machines.
Start MacUncle MBOX to HTML Converter on your Mac Computer.
Select MBOX file using Add File(s) or Add Folder(s).
Choose HTML from saving formats.
You can also select the File Naming Option and Destination Path if required.
Mac MBOX to HTML conversion process completed successfully, you can see the message of completion.