  | 
If you are interested in checking only one type of mail, such as unread messages, in a container, you can list only those messages. Your changes are only in effect for as long as you have the container open. 
To list only a certain type of mail: 
 
1       Open the container. 
2       Click the pane you want to work with, if there are multiple window panes. 
3       Choose View > Filter, then one of the following: 
Show Incoming Items  | 
Lists only received messages (both read and unread).  | 
 
Show Outgoing Items  | 
Lists only sent messages and messages created but not yet sent.  | 
 
Show Unsent Items  | 
Lists only messages created but not yet sent.  | 
 
Show Unread Items  | 
Lists only messages that you haven't read.  | 
 
Show All Items  | 
Reverts to the default view, which is all message types.  | 
 
  You can also list only unread messages by default. |   |