Hi Craig,
The performance issues may be caused by one or more of the following:
o Large Personal Folders files (.pst) or Offline Folder files (.ost)
o Third-party add-ins
o Gadgets that are installed in Windows Vista
o Microsoft Office Communicator integration
o Antivirus software interaction
o Windows Desktop Search indexing
o Minimal computer specifications
o Incomplete closure of .pst files or .ost files
o POP3 accounts on Windows Vista clients
o Many Really Simple Syndication (RSS) feeds
If Outlook 2007 runs slowly, please refer to the detail steps on the following KB article.
940226 How to troubleshoot performance issues in Outlook 2007
http://support.microsoft.com/default.aspx?scid=kb;EN-US;940226
If anything is unclear or if you have any other concerns, please don't hesitate to contact me.
Regards,
Emily Lin
Microsoft Online Partner Support
Get Secure! -
www.microsoft.com/security
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