When Outlook receives messages, it stores them in your Inbox folder. The number next to the word “Inbox” in the Folder list tells you how many messages are waiting for you. If there is no number, you have no new messages.
When you click the Inbox folder in the folder list, the contents of the folder are displayed on the upper, right portion of the window, which is called the Message List pane. The Message List pane shows the subject and author of the messages in the Inbox. If a message header is bold, that message has not yet been read. If the message header is not bold, the message has been opened.
There are several other options for viewing messages available on the View menu, including viewing messages by sender, by conversation topic (for discussion lists), and with AutoPreview. To change views, click View, point to Current View, and then select an option.
To receive and read messages
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Make sure Outlook Web Access is open.
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Click Send And Receive 
. Your computer connects to the Internet connection and tries to retrieve your messages to your Inbox folder. (It also sends any messages in your Outbox folder.)
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In the Folder list, click your Inbox folder. (If it has a number next to it, you have new or unread messages.) New and unread messages appear in bold in the Message List pane.
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To read a new message, double- click it in the Message List pane. The message will open in its own window.
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To open an attachment, double-click its file icon.
- When you are finished, you can close the message, and it remains in that folder.