Was this a clean install? Then I doubt it is a full pst-file as the default
limit for UNICODE pst-files is 20GB.
So when exactly do you get this error when doing what?
To transfer your messages from OE to Outlook, use Export from within OE.

--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
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http://www.msoutlook.info/
Real World Questions, Real World Answers

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"Texas Techless" Texas wrote in message
...
I am migrating my emails and contacts to Outlook 2007. I have alot of
emails
5000++ in many different folders in OE.

I ran the initial setup and some emails came over from OE, but I think the
Pst folder is full. When setting up, I created "new file.pst" to start
Outlook. I wasn't sure what it was asking, because there weren't
instructions on setup.

I can't read any emails and there is a message saying "messaging interface
has returned an unknown error. If problem persists, restart Outlook"

Restarting has no effect on this issue.

Please help with this, as I don't understand these Pst issues.

Thanks!