Here's a quick response to the question, "How do I convert PST to Thunderbird?" The software name is eSoftTools PST to MBOX Converter Software. Any third-party app can be used to easily convert the files. It's moving along rapidly and in small steps. In a short period of time, the tool can convert any kind of PST file. The user may also specify a destination path for the generated files with the tool. For our new customers, there is also a trial edition available that allows them to convert PST to MBOX file format with 25 items per folder without having to pay for the full version.
Read more:- Convert PST to MBOX