One disclosed method involves parsing contents of an email file to determine a first individual who sent a first email communication represented in the file and a second individual who received the first email communication, presenting, by a display screen, a graphical user interface including a graphical representation of at least the first email communication, the graphical representation including a first icon representing the first individual, a second icon representing the second individual, and a third icon representing the first email communication, determining a selection of an icon from among at least the first icon, the second icon, and the third icon, determining that at least a first portion of the contents has a first relationship with the selected icon, and presenting an indication on the display screen corresponding to the first portion.