How to reduce the PST file size and CPU utilization?

I am using Windows Vista O.S with my Laptop and it is very slow. I would like to mention that , I use outlook 2007 for my emails and I found the PST file size for outlook is about 4 GB and the CPU usage is more than 40%, I though this is the main reason of getting slow down my laptop and I would like you know, how to reduce the PST file size and the CPU usage of out look 2007. In order to increase the speed of my lapton



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Aijaz1982Asked:
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johnb6767Commented:
I would simply create additional PSTs, and break up the main one, perhaps into Archive-2007, Archive-2008 etc.....

As for the CPU Usage, that could be caused by Addins....

Start>run>outlook /safe

Does it still use 40% CPU? If not, start disabling addins until you find the cause....
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dnilsonCommented:
Dont foget deleting junk emails, and from the folder properties, compact the .PST from time to time.

Yearly, and even semi yearly ,psts were a matter of course for a while, keep your .PSTs below 2 gig, older bersions of Outlook failed around that point, and once bitten ......

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Lee W, MVPTechnology and Business Process AdvisorCommented:
Are you running Office 2007 Service Pack 2?  That was supposed to provide several fixes that were to help performance.
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Serge FournierAnalyst ProgrammerCommented:
also, know that vista is indexing all your PST with its windows search engine

you can stop this service (windows search), or let it finish at least one time a full index (let computer run all night, once)
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