1. A method for selectable data on file viewing in a debugger, the method comprising: specifying a file in a user interface of a debugger executing in memory of a computer and debugging a target application; determining whether to view data in the file from a perspective of the computer or the target application; loading the data in the file directly from the computer externally to the target application in response to determining to view the data in the file from the perspective of the computer, but otherwise loading the data in the file through operations performed by the debugger on behalf of the target application in response to determining to view the data in the file from the perspective of the target application; and, displaying the loaded data in a file viewer of the user interface of the debugger.