A free version of Sysinfo PST to MBOX Converter 21.9 can be found on our software library. You can find the software in the Communication category on our website. Our antivirus system always scans the downloadable files for spyware. It scanned this tool and reported that it is clean to use. The fact that SysInfoTools Software is the creator of it is well-known by its users. The size of the downloadable installation file is about 199.7 MB.