To write to another member or to see your previous communications with them, just click on the Envelope button next to their profile. This will take you to the Conversation page.


On the Conversation page, you can write further messages to them and will will see any previous messages you've sent/received with that member, so you'll have your full conversation history to hand.


To see any previous messages you've sent/received with any other members, click on the Messages menu option, then the Inbox or Outbox links.