1. Start Microsoft Outlook. From the main Outlook window, go to the “Tools” menu.
  2. Select “Trust Center” from the “Tools” menu. The “Trust Center” window will open.
  3. Select “Add-ins” from the left pane of the “Trust Center” window. A list of installed Outlook 2007 add-ins will be displayed.
  4. Select the add-in you want to disable by clicking on it once. It will become highlighted. Click “Go” at the bottom of the window.
  5. Click the check box of the add-in you want to disable, and click “Remove.”