The Outlook database files are known as OST files and many individuals want to convert them to PST so that they can view OST file emails in Outlook. Therefore, the MacSonik OST to PST converter is the prominent tool for Mac users to convert OST files to PST with emails, contacts, calendars, tasks, notes, and all the mailbox items on a Mac device. Mac users can also use this tool to convert OST files to EML, MBOX, Live Exchange, and Office 365 on their devices.

read more:- https://www.macsonik.com/ost-pst-converter/