OST and PST are two Outlook database files to store complete mailbox items like emails, contacts, calendars, journals, etc. Sometimes users become helpless or unable to to access mailbox items into different systems or wants to recover data of OST files then you must convert OST files to PST format.
For effortless and easy solution to convert OST files to PST format, You can utilize ZOOK OST to PST Converter software. It converts OST files into PST format along with emails, attachments, Notes, Contacts, journals etc. This tool is also capable in transforming highly corrupted or damaged OST files into a readable PST files so that users can easily access or open then any versions of Microsoft Outlook. Users can smoothly install and run this program on any versions of Windows OS.
Read more- https://www.zooksoftware.com/ost-to-pst/