Reducing OST

Good Afternoon,

I've got a client that uses Outlook 2007.

They have an Exchange Server onsite (Exchange 2010).

They have 10 email accounts on site, all of which they place under one mail profile (this is the same on all 4 computers). So they have their main info@ account and the rest they view by adding under advance settings.

Their OST recently reached 19.4GB. We archived email from the info@ account (4.8GB worth of emails) but I was expecting the OST to reduce in size but it has not.

Is there any reason for this?

Kind Regards,
Emily
LVL 1
systemagicAsked:
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Snagajob ITCommented:
You will need to compact the file now that some space has been cleaned up. Please refer to this article.

https://support.office.com/en-nz/article/Reduce-the-size-of-Outlook-Data-Files-pst-and-ost-e4c6a4f1-d39c-47dc-a4fa-abe96dc8c7ef

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