if you required a reliable tool to convert OST to PST file by using the Mailvita OST to PST converter for Mac tool. The software exports all email attachments, contact calendars, and notes from OST to PST. This tool supports all versions of Mac and Windows OS. Before conversion, users can preview the database and filter selected data. It exports all sizes of data from OST to PST without any technical problems. This program accurately migrates database OST into PST without interrupting data. Users can use this software with or without installing MS Outlook. You can also use the free trial for testing.