Using MacMister OST to PST Converter you can convert OST file to PST in Outlook on Mac operating system. It is a best tool that allows users to convert multiple OST file to PST format at one time including calendar, contact, email, attachments, etc. The software also provides 15+ saving option to convert your exchange OST files i.e. PDF, EML, MSG, HTML, DOC, Office 365, IMAP etc. Users can run this converter on both Windows PC edition such as 11, 10, 8, etc. and Mac operating system (Sierra, Catalina, monetary, etc.) Also, users can effortlessly use this tool without having any technical skill.