Copy/pasted this from MS site:
An opportunity is a chance to sell your products or services. In Microsoft Office Outlook 2003 with Business Contact Manager for Outlook, you can store information about your opportunities in Opportunity records. An Opportunity record must be linked to an Account or Business Contact record. Opportunities can also contain business notes, tasks, appointments, phone logs, and files as history items.
Use Opportunity records to track your sales process. When you complete a sales cycle, if Business Contact Manager for Outlook is connected to Small Business Accounting, you can create quotes, sales orders, or invoices from your Opportunity records. To get information about how to create quotes, sales orders, or invoices from an Opportunity, see Create a quote, sales order, or invoice from an Opportunity record.
As you move through the sales process, you can view all your information for an opportunity from the initial contact to a closed sale. You can also generate reports or sort views to prioritize sales information, track customer interactions, indicate progress, and forecast your sales.
