To convert a PST file to MBOX is the best way to help with the converter tool. The Cigati PST converter Tool is one of the best software to convert and back up PST files into multiple formats like MBOX, EML, EMLX, MSG, PDF, CSV, GIF, etc. It also assists the users to import the Outlook PST files into various email clients like Gmail, Office 365, Yahoo Mail, Thunderbird, AOL, etc. Effectively converts PST to MBOX and 16+ formats. Loaded with a feature to migrate or back up Emails without attachment files and also supports a bulk conversion.