If you are Searching a solution that can Convert your OST file to PST file then try this OST to PST Converter Software. you can convert single mailbox and multiple mailbox items including your meetings, journals, attachments, notes etc. The program is proficient enough to export all the properties like To, Cc, Bcc, Date, subjects, and email headers in new file. This tool maintain the hierarchy of all files and folders as it is, as it was before migration.