How to Convert Outlook PST Files to MBOX Email Clients.
Use softknoll PST to MBOX Converter , which can quickly recover deleted and damaged files without losing data. Simply export email items from Outlook PST to Thunderbird, including inbox, outbox, sent items, deleted items, folders, etc. With the software, the user can take a free preview of all the data before the transformation method begins. It supports the ANSI and UNICODE file types of all versions of Outlook.