Outlook 2007 (Exchange mailbox) randomly freezes on an XP SP3 machine. Maybe after a few minutes, maybe after a whole day. It seems to be completely random but it always happens while in the middle of typing an email. We have left it for 30 minutes to check that it was not just busy doing something, still dead as a doorknob.

Task Manager reports nothing out of the ordinary in terms of CPU or memory usage.

What I have tried:

  • New Outlook mail profile
  • Office Diagnostics, no problems found
  • Ran Outlook in safe mode with no addons
  • Checked for any Office service packs (was already on the latest) and updates

What else can I do to try and fix this?

Note - there is a similar question but in my case Outlook locks up completely.

  • This is a bit random, but do you have skype running? I remember that that was a problem in a place I was working in. – Stephen Feb 11 '10 at 16:50
  • No no, random is good. Unfortunately no Skype though. – Kez Feb 11 '10 at 18:29
  • I think you should try and rule out that any other program is interfering with it. Does it freeze up if you do a restart and the first program you open is outlook? – Stephen Feb 11 '10 at 20:16
  • sorry for the unrelated comment. when you vote to close a question as a duplicate, please try to leave a comment with a link to the duplicate (if there's not one already). just a simple "duplicate: http://<link" is enough. thanks! – quack quixote Feb 15 '10 at 16:30

Bit of a boring resolution to this. We eventually created a new user profile from scratch, which resolved all of the problems. At least, that's what we're hoping...


What version of Outlook 2007? With or without the SP1 for office 2007?

I know the service pack that came out for office 2007 made a lot of performance improvements. Go to the office or windows updates site and download the latest updates for office/outlook 2007.

  • Already on the latest service pack......... which is SP2 :-) The full version title is Office Professional 2007 OEM. – Kez Feb 11 '10 at 18:28
  • Didnt remember off the top of my head if it was SP1 or SP2. Sorry bout that. Another thing I can suggest is the following: Start>Run then type: outlook.exe /cleanprofile – commradepolski Feb 12 '10 at 17:25

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