Download OST to MBOX Converter tool for opening OST file on Mac Mail. This software gives the free demo edition that allow users to check the software functionality of opening OST file on Mac Mail. With OST to MBOX Tool for opening OST file on Mac Mail trial version enables to open 25 OST files on Mac Mail and check the working steps. All users can use this software without any technical help. Users can operate the OST to MBOX Converter tool and load multiple OST files for the process of opening OST files on Mac Mail.