How to change MSG to EML file on Mac online? Use the latest MSG Converter Mac wizard, it helps you to change MSG to EML file on Mac OS along with complete MSG files Meta details, attachments, images, and other details. By using MSG Converter Mac wizard, you can change MSG to EML file on Mac in batch mode in less time. Download and use the MSG Converter Mac wizard, it supports changing or converting 20+ files at a time.