Disclosed are a mobile terminal and controlling method thereof. The mobile terminal is controllable in response to a pinch-in/out touch gesture. The present invention includes activating a 1st application file via a specific application, displaying a 1st file image corresponding to the 1st application file on a touch screen in a single view state of displaying a single file image on the touchscreen, receiving a pinch-in touch gesture performed on the touchscreen, and switching the single view state to a multi-view state of displaying a plurality of file images in response to the reception of the pinch-in touch gesture. A 2nd file image corresponding to each of at least one 2nd application file and the 1st file image are displayed on the touchscreen in the multi-view state. The 1st application file and the at least one 2nd application file are activated by the specific application.