RSS stands for really simple syndication, and when you step back and really has a very simple way to gather information that you are interested and without having to search to search for all the new publications that are published daily by literally millions of different individuals add a new companies onto the Internet. Here is Microsoft's explanation of RSS feeds in Outlook:
Really Simple Syndication (RSS) is a way for content publishers to make news, blogs, and other content available to subscribers. You can view RSS content in Microsoft Office Outlook 2007. Using RSS, publishers can make content and updates available for download by subscribers automatically. The content on all Web sites is not available as an RSS Feed, but the list is growing daily.
How does RSS work in Microsoft Office Outlook 2007? - RSS readers, such as the one built into Office Outlook 2007, allow you to subscribe to RSS Feeds and then read content or follow links for additional information. Whenever you see a link to a feed, or an RSS icon such as the one at the top of this page, just click. Microsoft Office Outlook 2007 will automatically subscribe you to that RSS Feed.
Get started - Using Microsoft Office Outlook 2007 to subscribe to an RSS Feed is quick and easy and does not involve a registration process or fee. After you subscribe to an RSS Feed, headlines will appear in your RSS folders. RSS items appear similar to mail messages. When you see a headline that interests you, just click or open the item. For more information, read how to add an RSS feed to Microsoft Office Outlook 2007 and how to read your subscribed RSS feeds. Below is a sample of the many feeds you can subscribe to from around the world. Click on the links that interest you and Outlook will subscribe to them.
To take advantage of capability all you need to do is add a new News Source to your RSS Feed List. Right click on the RSS feeds folder and choose add a new RSS feed. The dialog box will appear on screen that you need to enter the address of the RSS feed that you want to subscribe to. The easy way to get this information is to browse to the hosting site that has the information that you are interested in and click on the subscribe to RSS feed hyperlink that will be located on that page is there it is and RSS feed subscriptions option available.
When you press this choice and new page will appear in your browser. Copy the URL to the clipboard and jump back to your open outlook dialog that is requesting the URL of your RSS feed. Paste it into the field and then press the add button to add it to your list. The next time outlook downloads new mail it will also download any new RSS feeds as well.