Using the web interface, click the checkbox for each message you want to export, then in the list of actions, click the action you want to take.
By default, users can view and save attachments, as well as forward and print messages.
The Outlook plugin lets users search and download messages from Outlook.
For large quantities of data, use the a workstation tool found under the Tools menu. See
Retain Publisher and Viewer in Retain 4.9.2: User Guide.