PstExporter 1.7.5 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The bundle id for this application is com.arrowbit.PstExporter.
The software lies within Communication Tools, more precisely E-mail. The most popular version among the application users is 1.7. We recommend checking the downloaded files with any free antivirus. This program was developed to work on Mac OS X 10.5 or later. This Mac app is a product of ArrowBit.
From the developer:
PstExporter is a very easy to use Mac application that exports messages, contacts and calendars from Outlook PST files to your Mac. It works with multiple mail programs.
All messages found in your pst files will be exported to the .mbox format without altering your original files.
You may want to check out more software for Mac, such as PST Exporter, which might be related to PstExporter.