Presuming your existing PST file was created in OL2003 in unicode format,
you'll need to create a new PST file in the "old style" format, and copy all
your items to it before using that file on an older version of Outlook.
Ask a Question
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.