When using Outlook 2007 in Cached Exchange Mode users can access their email and can read emails while in an offline mode. But when they try to access additional mailboxes and shared mail folders they note that they are only allowed to do so when the mailboxes and shared mail folder are available only in an online mode. There are some workarounds which will allow them to access additional mailboxes and shared mail folders in the offline mode.
Even though shared mail folders cannot be cached users can cache any other shared folder though such as Contacts, Calendar and Public Folders.

Additionally, if an administrator has granted full mailbox access to those additional mailboxes, then they could be set up as IMAP accounts. An email administrator can help with the IMAP settings.

Support for caching shared folders with Cached Exchange Mode depends on the version of Outlook that is running. There are workarounds for Outlook 2003 and Outlook 2007 but if administrators don’t want to spend time on implementing workarounds then they can upgrade to Outlook 2010 which has full caching support for additional mailboxes.

Continue reading Troubleshooting Caching Shared Mail Folders in Outlook 2007