GainTools PST to MBOX Converter Software is a trusted tool to converting Outlook PST files to MBOX format. It enables users to read their Outlook emails on MBOX-supported email client, like Thunderbird, Apple Mail, Entourage, Eudora, etc. It also converts large Outlook PST file sizes to MBOX mailbox files format. The solution facilitates the complete migration of your emails, attachments, metadata and folder hierarchy, without any data losses. The interface is user-friendly, so anyone can perform the conversion, even with little to no technical knowledge. The tool supports PST files of any size, and supports both the ANSI and Unicode formats. The tool can work in all versions of Windows. It provides a complete conversion for the user. The free demo version can be tried first.

Visit here: https://www.gaintools.com/pst/mbox/