What about synchronizing appointments or other items in an Exchange Server mailbox folder with a group calendar or other folder in Public Folders?
Here's a trick for appointments: If the public folder has an e-mail address, open the Properties dialog for the folder, choose Add to Contacts, you can simply invite a public folder calendar to a meeting.
Also, don't forget that for offline use, you can drag any public folder to Public Folders/Favorites and set the Favorites copy to synchronize.
Other than that, Outlook does not provide any built-in mechanism for syncing between Outlook mailboxes and Public folders, hence the list of tools on this page.
Synchronizing Outlook on two machines | Synchronizing Outlook using Web Services
