MacSonik MBOX Converter is a professional utility that converts .mbox emails in various file formats and migrates mailboxes to different email clients on macOS. It converts MBOX emails into PST, EML, OST, EMLX, MSG, CSV, HTML, MHTML, PDF, TXT, etc. Also, it migrates MBOX email files to Gmail, Thunderbird, Hotmail, Yahoo Mail, Office 365, Live Exchange Server, AOL Mail, IMAP Server, AWS, iCloud, Yandex Mail, OperaMail, and other email clients on macOS. The apps supporting Mac versions are 10.15 Catalina, 10.14 Mojave, 10.13 High Sierra, 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, and 10.8 Mountain Lion. Its demo version converts 50 MBOX emails free of cost.