How do I archive a conversation as an observer?
You can archive messages if you want to keep them but remove them from your Inbox.
Note: You cannot archive sent messages.
In Global Navigation, click the Inbox link.
Select the conversation.
Select Multiple Messages
To select multiple messages to archive, click the message checkbox or press the command key (Mac) or the control key (Windows) while clicking each message you want to select. You can also click the checkbox or use the same keyboard command to deselect a message.
Click the Archive icon.
View Archived Conversations
To view archived messages, click the Inbox drop-down menu . Select the Archived link .