If you are looking for a reliable method to convert PST to MBOX, then I would recommend you use the safe and reliable
PST File Converter. This is an advanced tool that enables smooth and secure migration of PST files in just a few clicks. It also helps to maintain folder hierarchy and data integrity throughout the conversion process. Using the PST converter, users can also
import PST to iCloud, Gmail, Thunderbird, AOL, etc. Its simple GUI makes it easy to use for both technical and non-technical users.