I'd like to tell you regarding one of the useful tools for converting PST to MBOX thunderbird that name is eSoftTools PST to MBOX Converter Software. It works quickly with basic approaches. The device can convert PST to MBOX thunderbird Close by each mailbox element like - messages, contact, schedule, attachments, task, notes, and others without affecting the internal data. A free form preliminary that exports and migrate 25 emails from each folder is available with the device. It maintains both ANSI and UNICODE PST. Keeps up email properties during the PST to MBOX conversion.