To cancel an RSS feed and remove all content:

  1. In your list of folders, expand the RSS feeds
  2. Right click the feed you wish to delete, and click delete. 
  3. When prompted to confirm the deletion, click Yes.


T
his will delete all currently downloaded content and cancel the specific RSS feed.


To completely turn off RSS feeds:

  1. Click on File -> Accounts
  2. Click the RSS Feeds tab
  3. Under feed name, click the feed you want to cancel and then click Remove.

Note: Any previously downloaded content is not removed.

To disable the social news feeds:
  1. Click on File -> Options
  2. Click on Add-Ins
  3. Find the Microsoft Social Connector and uncheck the box.
  4. Restart Outlook.

This will disable any social connectors to your Outlook profile.