When you hover over the Documents menu all the available cabinets are listed as sub-menu items. One selecting a link the cabinet view will be display with the cabinets in a tree on the left and the main pane on the right. By default the global search is displayed which searches documents across cabinets. Each cabinet contains a new search option for searching within the cabinet, and personal and public saved queries.
The recent queries link on the tree, displays a list of recently accessed queries:
Searching for Documents
For more information on this feature, visit the Searching for Documents page.