A user interface used in an industrial automation system, wherein the industrial automation system comprises an engineering system for processing and management of engineering project data of the industrial automation system, wherein the user interface is prepared for the visual representation of project data of engineering projects of the engineering system and the entry of user actions, the user interface having: a portal view (100, 200), comprising: a first display region displaying at least one first user selectable identifier (104, 106, 108) representing at least one main function to be accomplished within the engineering system; a second display region displaying at least one second user selectable identifier (112, 114, 116, 118) representing at least one subordinate function linked to the main function, the display of the second user selectable identifier (112, 114, 116, 118) being based on a first user selection of the first user selectable identifier (104, 106, 108); a third display region, characterized in that the third display region displays filtered project data (122, 124, 126) of an engineering project of the engineering system, the display of the filtered project data (122, 124, 126) being based on user selection of the main function and the subordinate function; and a project view, comprising: a fourth display region displaying third user selectable identifiers, the third user selectable identifiers representing the entire accessible project data of the engineering project of the engineering system, where the entire accessible project data is selectively accessible by selecting the third user selectable identifiers, wherein the portal view (100, 200) and the project view comprise a user selectable switching means adapted for switching between the project view and the portal view (100, 200). a portal view (100, 200), comprising: a first display region displaying at least one first user selectable identifier (104, 106, 108) representing at least one main function to be accomplished within the engineering system; a second display region displaying at least one second user selectable identifier (112, 114, 116, 118) representing at least one subordinate function linked to the main function, the display of the second user selectable identifier (112, 114, 116, 118) being based on a first user selection of the first user selectable identifier (104, 106, 108); a third display region, characterized in that the third display region displays filtered project data (122, 124, 126) of an engineering project of the engineering system, the display of the filtered project data (122, 124, 126) being based on user selection of the main function and the subordinate function; and a first display region displaying at least one first user selectable identifier (104, 106, 108) representing at least one main function to be accomplished within the engineering system; a second display region displaying at least one second user selectable identifier (112, 114, 116, 118) representing at least one subordinate function linked to the main function, the display of the second user selectable identifier (112, 114, 116, 118) being based on a first user selection of the first user selectable identifier (104, 106, 108); a third display region, characterized in that the third display region displays filtered project data (122, 124, 126) of an engineering project of the engineering system, the display of the filtered project data (122, 124, 126) being based on user selection of the main function and the subordinate function; and a project view, comprising: a fourth display region displaying third user selectable identifiers, the third user selectable identifiers representing the entire accessible project data of the engineering project of the engineering system, where the entire accessible project data is selectively accessible by selecting the third user selectable identifiers, wherein the portal view (100, 200) and the project view comprise a user selectable switching means adapted for switching between the project view and the portal view (100, 200).