Common Dialogs
Here, you can configure the appearance of the common dialogs for opening and saving files.
Under Elements, you can specify which navigation elements should be displayed to make it easier to use standard system dialogs. You can activate the Back button and a drop-down list with the most recently used files.
Under Places bar, you can specify whether a places bar should be displayed on the left side of common dialogs, and which places should be shown in this bar. Click Customize Places to specify the folders that should be used for places such as Recent Documents, Desktop and My Documents.