New Look - Outlook 2003 is broken into two panes: the navigation pane on the left and the main viewing pane on the right. The main viewing pane will change depending on the selections you make in the navigation pane (e.g. Mail, Calendar, Contacts, Tasks etc.)
Mail - The mail button displays just your mail folders showing a favorite folders list as well as an all mail folders list. Search folders are a new way to view all mail that meets selected criteria together regardless of where it is kept. You can look at your appointments with the times for two different zones displayed.
Calendar - The calendar button displays just your calendars and the shared calendars that you use. The options to share or open shared calendars are at the bottom. You can now see multiple calendars at once by checking them.
Contacts - The contacts button displays just your contacts and the shared contacts that you use. The option to share or open shared contacts is at the bottom of the contacts list.
Tasks - The tasks button displays just your tasks and the shared tasks that you use. The options to share your tasks or open others shared tasks are at the bottom of the list.
Folder Lists - The folder button shows all of your folders in list view. Here you will see all folders together. This is the place you will see the public folders. At the bottom are options to manage outlook data files or view a mailbox size.
Shortcuts - The shortcut button is shows the shortcuts and groups you have developed for your most often used folders. At the bottom of the shortcuts list are the options to create new groups or shortcuts.