As in Outlook on your desktop, your personal archive folder appears in your Inbox and you can move messages to your archive within OWA 2010

To move a message in your mailbox to your personal archive folder 

1. Log into Outlook Web App at

2. Find and highlight the message or messages that you wish to add to your Personal Archive. (hold down the shift key to select multiple items)

3. Drag the selected message or messages to your Online Archive folder listed on the left side of the screen. 

* Note: Archived items are pulled from the server and viewable at the location archived. Personal Archiving is a BILLABLE service and can be enabled via your system administrator.