Cigati PST Export
is the best third party utility tool that swiftly exports the PST files into 16+ file formats such as MBOX, PDF, HTML, EML, etc. with ease. It can open the PST files into different email clients such as Gmail, Yahoo, Outlook, Thunderbird, etc. without having any issue. The Tool holds the same Hierarchy as the original folder, and it can change the PST file to ICS and Vcard.