You can go with this OST to PST Converter tool, it can easily save OST file to Outlook PST, Office 365 & Live Exchange mailboxes with perfection. It can also save the OST file in multiple formats like RTF, MSG, EML, HTML & PDF. It has a preview option, so the user can check the correctness of the conversion process. The tool is compatible with all versions of MS Outlook and Windows OS. For more information, check: https://www.datarepairtools.com/ost-to-pst-converter.html
ost to office 365 migration
OST files into Office 365 without getting any issue. The utility provides "Incremental Import Option" (data will not overwrite or will not create the replica of any item if you have already converted all your data from OST to Office 365 in also save multiple file formats such as- Office 365, Live Exchange Server, Server, Gmail, MBOX, and etc.). You can use the "Pause" option if you want to stop the conversion process. You can use network upload to import OST files to Office 365 account directly with all attachments to any third party. Let's see how to upload OST to Office 365 account.