You can mark a text message conversations as either Read or Unread.
To mark a conversation as Read or Unread
1. Click the Two-way Text button 
on the Navigation bar.
2. From the options menu (
in the top-right corner) of the text message you want to hide, click Read or Unread.
An Unread conversation appears in bold and has a blue dot next to the Importance icon (banner).
