Converter for OST program can be used to Convert OST to PST and can be used to recover corrupt ost emails and to repair errors and so one can import OST files on Outlook PST format. You might desired to use the Converter for OST software in the following situations Required to Convert Multiple OST files to Single PST format to maintain email database in centralize way. Old email database to new account or to new Email Platform like, Outlook 2016, 2019 and want to migrate OST file created with old account. To fix corrupt ost file and fix the corruption issues To recover ost file email database and migrate to pst format When you get the error on Outlook that the ost file cant be open and this is not the file and unknown error. If you think data file is damaged and unable to open due to error with ost file Password protected file and to forgot the password and required to import OST file on Outlook 2016 This OST email Converter program easily detects error if any with ost file and read the email structure database and one can confirm the emails and folder in folder pane display preview and then Convert OST to PST. Export OST file to different formats like: PDF, MBOX, EML, EMLx, NSF, OLM, MSG, HTML, RTF, DOC, XPS and as well Migrate OST email database directly to Gmail, G Suite, Exchange Server, Microsoft Office 365, Amazon Workmail, Outook.com, Imap etc.
Source: https://www.softwareimperial.com/ost-to-pst-converter.html