If you are looking for the best and most reliable software to convert EMLX files to multiple file formats then you should go for the MacSonik EMLX Converter tool for Mac. It can convert EMLX to PST, MBOX, MSG, CSV, DOC, DOCX, etc. on macOS. You can migrate EMLX files to different email clients like Gmail, Office365, AOL, and many other email clients. The software is capable of removing duplicate emails while the migration is going on.