You can create and manage appointments and all-day events in your calendar.
You can use Outlook to set up meetings, invite participants, and track their responses. Outlook can help you choose a meeting time based on participants’ schedules.
Other people in your organization can see your free, busy, and out-of-office time that you indicate in your calendar. You can personalize the display of your available working hours, and mark appointments as private to hide the details from other people.
If your organization has a SharePoint collaboration site, you can create a meeting workspace to accompany a meeting request. Meeting workspaces provide a central location for sharing information and files among meeting attendees.
If your organization is running Exchange Server 2007, you can use the Smart Scheduling feature to quickly identify meeting times of a specific duration during which your planned attendees are available.