Outlook 2003 (and 2007) support unlimited items if using Unicode format.
Which version of Exchange? I think only 5.5 would not use Unicode.
Many people see performance issues when the pst gets up around 5 and 6 GB or
when there are many items in a folder. My preference was under 2000 items
in my inbox but it often grew to 5000, but others were satisfied with
performance with 10,000 or more in the folder. The inbox (which I used
constantly) was the only one that was a problem with larger numbers of
messages.
--
Diane Poremsky [MVP - Outlook]
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LilliZ said:
Trying to find the recommended max items per folder running outlook 2003
in
exchange cached mode.
Experiencing performance issues, seems to be on client only.
Regards