Originally Posted by celegorm
Why? His new computer will have an OS on it. If all he wants to do is access the files then he can just plug it in via an enclosure or an internal connection and access the files. No formatting is necessary.
Thats right,his OS in his new PC is C:Any others could be eg: D and E .to save files or format for his new hobby.
OS on D: will not boot OS normally.Needs Dual Boot.
No need for USB's if the MBD will connect his HD(s)