How to fix a slow Outlook 2007

After loading 'Office 2007' and transferring my files and folders from Office 2003 to the new system, I am experiencing a painfully slow 'Inbox' in Outlook 2007. I started using 'CA Antivirus' with this new system since I was displeased with Norton Antivirus.

I would appreciate any information you could offer to help me remedy this issue.

Right now, my new system will be down until later this week since I have some visitors throughout the week. I am using my old system to communicate with you.

Thank you very much,

Bob Choronzuk

This question was answered on June 20, 2007. Much of the information contained herein may have changed since posting.

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I am using Outlook 2007 as well and have had issues with slow downs on opening emails I suggest downloading the Outlook Performance update from Microsoft's website As it so happens, i have the link for the update http://www.microsoft.com/downloads/details.aspx?FamilyId=C262BCFD-1E09-49B6-9003-C4C47539DF66&displaylang=en

There are steps that you can do manually if this doesn't fix the issue

My first solution would be to rename or delete outcmd.dat, extend.dat, views.dat and frmcache.dat Outlook will recreate these files as needed

Look for these files at:

Outcmd.dat:

C:\Documents and Settings\<username>\Local Settings\Application Data\Microsoft\Outlook (Windows XP)

C:\Users\<username>\AppData\Roaming\Microsoft\Outlook (Vista)

Extend.dat:

C:\Documents and Settings\<username>\Application Data\Microsoft\Outlook (Windows XP)

C:\Users\<username>\AppData\Local\Microsoft\Outlook (Vista)

Frmcache.dat:

C:\Documents and Settings\<username>\Application Data\Microsoft\Outlook (Windows XP)

C:\Users\<username>\AppData\Local\Microsoft\FORMS (Vista)

Views.dat:

I hope this helps as this method has helped me.

http://www.computerhaven.info/forum/tm.aspx?m=54163

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Posted by John of Chandler-Gilbert Community College on June 20, 2007

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