below the steps you have to follow to recreate this Public Folder address list.Note for Mac Users: Mac versions of Outlook do not connect to the Exchange server in the same way as PC versions.Rather than waiting 24 hours for Outlook to update the Offline Address Book on its own, you can force an update via the Send/Receive menu button.
In this folder you see all the public folders with email addresses.
After the upgrade from exchange 2003 to exchange 2010 we couldn’t update the public folder address list.
If you have a feature request, you can suggest your idea through the administration interface.
In my Outlook, I created some public folders, and other users (within the same exchange server) saw them.
So to force your Outlook to sync with the Exchange server you can manually update the GAL.