Outlook 2007 improvements in the February 2009 cumulative update
Speedier Outlook, reliable, faster shutdowns, some calendar fixes and others
WARNING Outlook 2007 SP2 update breaks From: line of messages saved to Sent folder. Fixed ZimbraOlkConnector-5.0.16_GA_2922_5.0.2990.16.msi is now available in the support portal. * http://bugzilla.zimbra.com/show_bug.cgi?id=37146 * http://www.zimbra.com/forums/zimbra-connector-outlook/28318-sent-items-unknown.html
Outlook 2007 SP2 (which was released April 28, 2009) introduced performance optimizations, fast shutdown, calendar fixes and a number of other fixes.
A hotfix/rollup of the performance/fast shutdown is available even without applying all of SP2. If you are experiencing shutdown or performance issues with ZCO we recommend installing the hotfix.
Details the fixes in the hotfix and what is in SP2 is listed here:
http://support.microsoft.com/kb/968009
The update are downloadable here:
http://support.microsoft.com/kb/961752/
http://support.microsoft.com/kb/967688/
Notable performance improvements:
* General Responsiveness SP2 reduces I/O disk usage and UI response time. * Startup SP2 removes long operations from initial startup. * Shutdown SP2 makes Outlook exit predictably despite pending activities. * Folder/View Switch SP2 improves view rendering and folder switching.