Skip to main content Skip to site search Convert PST to MBOX, Convert PST to EML, Convert PST to MSG, Convert MULTIPLE PST files to Single PST same format. Migrate PST to NSF Migrate PST to Office 365 format. Regain PST to MBOX Converter software allow user to migrate pst file to mbox file format. This tool support 20+ email clients which support mbox file format. Stellar Outlook PST to MBOX Converter is a user-friendly application that facilitates smooth conversion of Outlook mailboxes (PST files) to MBOX files. The software supports PST to MBOX migration for Thunderbird, Spicebird, SeaMonkey, and Netscape. KdeTools for PST to MBOX Converter software utility to convert Outlook PST file into MBOX format now supported by all mail client like Thunderbird, Apple Mac, Spicebird, SeaMonkey, and Netscape etc. Softaken PST mailbox Converter Software is fully secured Converter for MS Outlook PST file format. Simple UI to Convert PST to MBOX, EML, EMLX, MSG and VCF file extensions for MAC, WIndows and Linux.