Navigate the Graph Editor graph view or Dope Sheet view area

• To scroll the graph view vertically and horizontally, hold down the Alt or Option (Mac OS X) key and drag with the middle mouse button.
• To scale the graph view uniformly, press Alt or Option and drag or right-drag.
• To scale the graph view, press Alt or Option + Shift and drag or right-drag.
• In the Graph Editor, you can move to the previous or next view using the square bracket hotkeys ([ and ]). These are the same hotkeys that let you move between camera views in the viewport. Press left bracket ([) to move to the previous view, or right bracket (]) to move to the next view.