Originally Posted by colby
Microsoft offically supports PSTs upto 2GB on Outlook '97-'02. The newest release of Outlook, Microsoft has retooled how PSTs contain mail and I don't think the new PSTs have a supported size limit.
Correct... they are now unicode-based and no 2GB limit.
But, if you upgraded to 2003 from an earlier version, it stays as a 97-02 file. You need to save that one somewhere, create a new 2003 PST, and import the old mail.