To do this navigate to:
  1. onMessage > Website > Site Name
  2. Select the Styles tab
  3. Search for the Style name (see How do I find the styles being used in my onMessage page?)
  4. Click Edit into the Style
  5. Change the dropdown to News Archive
  6. Select the News Archive List icon (looks like a newspaper or an American Flag)
  7. Unmark Date on the right hand side
  8. Click Save in the bottom right