If you are looking for a solution to convert PST to MBOX without Outlook? If yes, then no need to worry, here we have suggested a trusted and easy-to-use software to convert PST file to MBOX online on Windows OS. CubexSoft PST to MBOX Converter software is one of the best tools to convert multiple Outlook emails from PST to MBOX with attachments without Outlook installation.  This software also supports various saving output formats such as PDF, MBOX, EML, MSG, EMLX, PNG, JPEG, Thunderbird, VCF, ICS, Office 365, Gmail, G Suite, Exchange Server, IMAP, Yahoo Mail, and many more. It supports all MBOX based email clients like Thunderbird, Apple Mail, Eudora, Entourage, and so on. 

​