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Increasing the maximum size of a .pst in Outlook 2003

The strangest thing: One of our MD's here is running office 2003, and recently he has stopped receiving emails as he has hit the max pst capacity. I have installed office 2007 for him, although it still says "max capacity reached, please archive". The strange thing being that his PST is less than 2gig.. he refuses to archive,and has left it to me to increase his PST's capacity. I have tried editing the registry like so : HKEY_CURRENTUSER > SOFTWARE > MICROSOFT > OFFICE 11.0 > (here i added "PST") . then i created a new DWORD value with a new limit for his maximum pst size.
But alas, not working!

Please advise!
10th Sep 2008

Answers (5)

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try this
http://support.microsoft.com/default.aspx?scid=kb;en-us;830336

see if any of this helps you out
10th Sep 2008
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Check his folder sizes
Last I heard the maximum number of entries per main folder was about 16,xxx. If any folder reaches the limit (including "Deleted Items") Outlook will stop. Hint; if you can't move files from folder to folder then you've hit the max somewhere.
10th Sep 2008
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Also.... the path in the registry....
... would be different since you've installed Office 2007. I'm not sure. Should it be > OFFICE 12.0 ???
10th Sep 2008
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He does know that anything past 2 GB (pre 2007) [edit]
is not supported by MS? And over 2GB Outlook will just refuse to use the PST untill its "trimmed" down to under 2GB.

You can try to compact the PST to save size (file, datafile management, select the pst, settings, compact now).

Just to be clear, it is his PST file thats to big and not his exchange mailbox that has exceeded its limits?

[edit]

The 2007 structure should work up to 4 GB, though they (MS) are very vague and seem to reccomend slicing psts that size in to smaller chunks. Maybe what you can try is to export all his data in the pst to a newly created pst. Maybe the 2007 data structure in the old pst is not correct.

Also, have you tried running the inbox repair tool?
Updated - 10th Sep 2008

Replies

I have found that the limit is actually 1.9 GB. I am not trying to sound nerdy it is just that I ran into situations at a previous job where that was the magic number for PST files to corrupt.
TheProfessorDan 10th Sep 2008
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Even if you fix it this time.....
... It WILL happen again as long as this "MD" refuses to use the archive feature.

I think you're going to have to explain to him why this is happening and how to prevent it from happening again, archiving to multiple archive PST files if necessary.

And, one last thought. Are you using an Exchange server? If the Exchange mailbox has reached it's capacity, he won't be able to send/receive. You said he stopped receiving emails. Is he moving files off of the exchange server into a PST? Or, is he leaving everything on the server?

...
10th Sep 2008
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