I need help in importing a pst file to groupwise.
Backgrounder: Never use Microsoft Outlook only Groupwise

We have a new guy who brought with him .pst files and wants to import to
his groupwise. I installed the pst utility and when I launch it I get
a "cannot launch pst import utility message. It launches when I click on
the .exe file but now able import. Its asking for a new root folder
which i created online inbox. I'm sure I'm doing something wrong. Do I
need to install outlook on the pc before i can run the utility? What is
the New Root folder that it is asking for? I really need assistance if
you need more info you can send me an email or post a reply. I'm stump