Hi, You can refer to the below article: Integrating Exchange Server 2003 with SharePoint Products and Technologies http://www.microsoft.com/technet/windowsserver/sharepoint/v2/reskit/c4161881x.mspx Also you can use Public Folder Migrator for SharePoint from QUEST to migrate data stored in Exchange Public Folders to SharePoint 2003 or 2007 environments. Exchange Public Folder to SharePoint Migrations http://www.quest.com/public-folder-migrator-for-sharepoint/ Meanwhile, you can synchronize your Office SharePoint Server 2007 calendar with Office Outlook 2007 http://office.microsoft.com/en-us/sharepointserver/HA101732171033.aspx Hope it helps. Xiu