If you want to perform the conversion from IBM Notes to Outlook PST format easily, I would like to suggest all users use, MailsDaddy NSF to PST Converter. The software swiftly exports complete email items, like- contacts, calendars, tasks, journals, notes, email properties, and more. Using this tool, users can convert NSF files in MBOX, RTF, PST, MSG, EML, and HTML, Office 365, Live Exchange Server formats. 

https://www.mailsdaddy.com/nsf-to-pst-converter/

With the help of a free manual process, users can convert OST files into PST format. But the manual process does not work when the OST file is corrupted. In the OST file corruption situation, users have to take the help of MailsDaddy OST to PST Converter.

Using this solution users can export multiple OST files into PST format without hassle. It allows users to view preview of complete OST file databases before conversion. Here users can export OST files into PST, EML, MSG, MBOX, RTF, Office 365, Live Exchange Server, and others. The software facilitates users to convert a large OST file into small PSTs.

https://www.mailsdaddy.com/ost-to-pst-converter/