Supported operating systems and Outlook versionsArticle Id kb113 Published 01 Aug 2013 at 14:14 Last Updated 26 Feb 2016 at 14:55 Current Support Hosted Exchange supports the use of: Outlook 2007 (with Service Pack 1 installed) Outlook 2010 Office for Mac 2011 (this is preferred for Apple users) Entourage 2008 - Office 2008 (limited compatibility, not supported by Calzada Media) Limitations Unfortunately, Outlook 2003 is not compatible with Exchange 2010. Although Entourage 2008 is supported by Exchange 2010 it is of limited compatibility and is not supported by our supprt team.