MBOX Migrator tool migrate MBOX mailbox to PST, EML. MSG, PDF, HTML, TXT, RTF, DOC, EMLX, Gmail/Google Apps, Exchange Server, Outlook.com, Yahoo Mail, IMAP, Microsoft 365. The MBOX Migrator supports error-free migration of MBOX files from Thunderbird, Entourage, PocoMail, Postbox, Apple Mail, Eudora, SeaMonkey, Evolution, Spicebird, WebMail, Gmail, The Bat!, Mulberry, etc.