Is my archive too big?

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Outlook version
Email Account
Exchange Server
Hi new member to the forum here. I've had a quick search and am hoping I am not rehashing an old topic but would be grateful for any help.

I've got outlook 2007 and when I try to expand my archive email or calendar folder I get the following error message:

"Can not expand the folder. Out of memory or system resources. Close some windows or programmes and try again".

To be fair, I have used outlook now for 6 years and have never erased anything from my archive (given that all the work emails are needed). I suspect, therefore, that my archive has become too big. Is there any way to back up the archive somewhere so that I can use it later on?

I can not view the archive right now. Is there any way I can recover it?

Any help would be appreciated

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
When you say archive, do you mean the Archive folders created by autoarchive or are you referring to your mailbox? I'm going to assume you mean Archive folders.

Have you run scanpst on the archive?

How many total folders do you have in Outlook - this includes folders in the mailbox, public folders favorites, and the archive. There are known issues if you have a lot - like oh, over 1000. If you have no more than about 100 then its definitely not this problem.

Was the archive created in an earlier version of Outlook? If so, which one? Outlook 2003 introduced a new file format which supports over 2 GB file size. Older format psts can't go over1.92 GB and outlook doesn't convert old pst files to the new format.

Do any folders in the archive work as expected? If other folders work, then its not because of an oversized pst file.

Any idea how many items might be in these folders? The old pst format is limited to up to 65,000 items.

I'd try resetting the view on the folder - if that doesn't work, restart outlook using the /cleanviews switch. Warning: this will wipe out any custom views you have and there is no guarentee it will fix the problem. If you use custom views you might want to hold off on trying this. (Or, open the archive in a new profile that contains only the archive pst.) If you od'nt use custom views, try /cleanviews.

To use it: In the Start menu, search field or Windows key+R to open the Run command, type

outlook.exe /cleanviews

and press enter. Note, there is a space between outlook.exe and the /.

For more info, see
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