Outlook Web Access - Outlook Web Access for Exchange Server 2003 provides users access to e-mail, personal calendars, group scheduling, contacts, and collaboration applications using a Web browser. It can be used for UNIX and Macintosh users, users without access to an Outlook client, or users connecting from the Internet. Outlook Web Access offers cross-platform client access for roaming users, users with limited hardware resources, and users who do not have access to their own computers.