Oct 21, 2014 User Configuration Administrative Templates Microsoft Outlook 2013/Account Settings/Exchange/Cached Exchange Mode Download shared non-mail folders: Disabled Let me know if that helps, I believe that is the option you're looking for though.
- Sep 27, 2018 - By default, Outlook 2010 and later versions download shared folders that. To change the shared folder caching behavior in Outlook 2010 or later. At this point, the policy setting is applied on your Outlook 2013 client.
- Jul 25, 2016 - Users of Outlook 2013 (and older versions) will have to use other. The simplest solution is to turn off 'Download shared folders' using the.
- There are a couple of workarounds if you want to cache mail folders as well in Outlook 2003 or Outlook 2007: Edit the Registry (Outlook 2007 only) With a registry key change you can force Outlook 2007 to also cache shared mail folders. Use IMAP for additional mailboxes IMAP supports caching and syncing mail folders with the server mailbox.
Show Public Folders Outlook 2013
You might want to take a look at account settings, change, more, advanced tab, uncheck 'Download Shared Folders' check box. This will force the user to be in 'online' mode for the shared mailbox. We have a couple of these shared mailboxes and working with them in Outlook using 'cached' mode causes a ton of headaches, stuck mail in outbox, calendars out of sync with mail server etc.

Microsoft Outlook
Alternatively, and something I strongly suggest, make your users use the shared mailbox through OWA only. It'll save you a bunch of support calls...