How to export MSG file to Excel on Mac OS? Simply download Mac MSG Converter, it supports to export MSG file to Excel by converting MSG files data into CSV format. It keeps complete data safe such as; Meta tags, Hyperlinks, etc. Batch exporting MSG file to Excel on Mac OS / OS X also can be done in minimal time, it saves users valuable time and effort. Download the free Mac MSG Converter to understand its working ability, it supports 20+ files at a time.