Why is Outlook 2007 almost always synchronizing w high cpu usage?

S

shinken

I'm trying to resolve an issue in which Outlook 2007 will frequently start
synchronizing (with what?), using over 60% cpu time (per Task Mgr) and very
noticeably slow down the computer.

Here are some details of the system:

Intel Core2Duo cpu w/1GB RAM
Windows 64-bit Vista Ultimate OS
Office 2007

Typically, within a few minutes after Outlook loads, the entire computer
noticeably slows down; send/receive in Outlook takes several minutes instead
of the usual 10 or so seconds. When I kill the outlook.exe process using
Task Manager, the cpu use drops from around 60% to the usual 1-2%.

I've turned off RSS feeds and disabled internet offline files.

Can anyone help me identify what Outlook is trying to synch with, and/or how
I can resolve this issue?

Thanks,

S
 
R

Roady [MVP]

What Outlook is synchronizing? How about your mail? ;-) It's checking for
new emails.
Having lots of rules, or 3rd party mail scanning addins installed are know
causes of having high CPU usage.

Note that your computer is quite low on memory. If possible, I would
recommend upgrading to 2GB (memory is quite cheap these days). This however
might not directly solve your issue.
 
S

shinken

Thanks for the suggestions.

1. My error - system has 2GB RAM, not 1GB
2. No rules at all.
3. Re checking for new mails, I don't think this is the issue. When
Outlook is not synching, send/receive only takes a few seconds and new mail
is downloaded. Hmmm - perhaps the synching is not related to send/receive.
4. I don't believe I saw any add-ins in this Outlook, but I'll check again
in a day or two when I next see this client.
5. I'll check the polling interval.
6. Also next time I'm at this client, I'll check to make sure they don't
have a smartphone or similar device that Outlook might be trying to synch
with.

I'm open to more suggestions? I'll post the solution when I figure it out,
so others can benefit from it.

Thanks,

S
 
R

Roady [MVP]

Virus scanner that integrates with Outlook is also a mail scanning addin.



-----
 
M

Marshall Caro

Mystery solved! (At least, in my case).

I have a couple of hotmail accounts that access via Outlook as http accounts.
Well, it turns out that Outlook keeps building its .pst files for these
accounts, even though I've deleted the messaages.

Just close Outlook and delete these .pst files. Outlook will automatically
rebuild new (and much smaller) ones.

One of these puppies was over 9GB in my case.

Now all is good again.

url:http://www.ureader.com/msg/10768245.aspx
 

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