How can I migrate EML files on Mac OS online? Download the EML Migrator for Mac tool, it helps you to complete the migration of EML files to other formats. Software supports to migrate EML files to PST, PDF, Office 365, Gmail, IMAP, Yahoo Mail, etc. Batch EML migration also can be done, it save users valuable time and effort. Working demo is also available, download the free EML migration tool for Mac to test its working efficiency and also supports 20+ files at a time.