The ConverterTools Outlook PST Converter tool is the most risk-free and perfect solution to convert PST mailboxes to various types of file formats such as PDF, EML, MSG, MBOX, etc. It enables the import of Outlook PST files to many different email clients, for instance, Gmail, Yahoo Mail, Thunderbird, IMAP, Office 365, and so on. Additionally, it assists users in maintaining the folder hierarchy as per the actual files and has the feature of working properly and effectively on all MS Outlook versions, such as Office 365, 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98, and 97. However, it also provides a free demo version to convert the first 50 emails. During the conversion process, you are not required to install MS Outlook on your device.

If you also want to open PST files on Mac, then you can also read this blog: https://www.convertertools.org/blog/how-to-open-pst-file-without-outlook/