I think I understand the question. Are you asking if you can format an external drive to exFAt without any updates or third party programs? If so, the answer is yes. The ability to format something as exFAT is built in.
My Computer
At a glance
Windows 7 Professional SP1 64-bitIntel Core i5-2450M @2.5 GHz6 GB DDR3 1333MHzIntel HD 3000