How do I view my OST emails online when Outlook refuses to open?

There are multiple ways to view OST emails, but Outlook allows you to open them. Whenever Outlook refuses to open OST file emails, choose a reliable tool that helps you to easily access OST file emails. Without the need for Outlook, you can open OST emails if you convert them to PDF format, because a PDF file can be easily opened and viewed without the need for Outlook. Try FxVare OST to PDF Converter is a reliable and the best choice to convert Outlook OST to PDF format. It supports bulk conversion and allows you to preview the mailbox before the conversion process, which helps you convert selective data. It comes with a trial version for all users.