Want to convert OST to PST mac? Use OST Converter for Mac software to directly convert OST files into PST file format on Mac OS. It allows you to batch convert unlimited OST data file to PST file format with all emails, contacts, calendars, and other items. There is no need to install MS Outlook application for the conversion process. It has a very simple and easy to use application, both technical and non-technical users can easily convert OST to PST mac operating system without any help. During the process, the application keeps all the folder structures without any changes and data loss. It was compatible with all the latest and below version of MS Outlook and Mac OS.