Article ID: 2701020 - View products that this article applies to.
In Microsoft Office Outlook 2007 or 2010, your Outlook profile is configured to use a Personal Folders (.pst) file (also known as an Outlook Data File) as the default email delivery location, and your Outlook profile also includes an Exchange account that is configured to use Cached Exchange Mode. In this configuration, you may experience one or more of the following issues:
Because of these limitations, we do not recommend the configuration that is described in the "Symptoms" section. To prevent unexpected issues, we recommend that an Exchange account always be set as the delivery location. By default, if the Exchange account is configured to use Cached Exchange Mode, the delivery location is the offline folder (.ost) file (also known as the offline Outlook data file).
To set your default email delivery location back to the OST file in Outlook 2010 and Outlook 2007, follow these steps.
Additionally, we recommend that you enable Cached Exchange Mode for the primary Exchange account in your Outlook profile and that you set Outlook to deliver email messages to the .ost file. There are many advantages to delivering email messages to the .ost file. These include, but are not limited to, the following:
In some circumstances, email messages that are delivered to a local .pst file may not be retained on the Exchange server. This may be a factor if email messages must be retained for legal or disaster-recovery purposes.
In Microsoft Outlook 2013, the ability to deliver email to an Outlook Data File (.pst) when a Cached Mode Exchange Account is also added to Outlook, is discontinued. If you have an Outlook profile configured in this manner in an earlier version of Outlook, upon upgrading to Outlook2013, profiles that are configured to delivery Exchange Server account items to an OutlookData File (.pst) continue to see the file in the Navigation Pane. However, all new items are delivered to an offline OutlookData File (.ost) and Cached Exchange Mode is turned on for the Exchange account.
Article ID: 2701020 - Last Review: May 23, 2014 - Revision: 7.0
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