A:AnswerYes, you should be able to as long as both drives are plugged into the new machine. I used both Seagate and this HD and they both work on either Mac or Windows.
A:AnswerYes, I myself formatted it to FAT32 to use with my TV.
My Windows desktop did not give me that option to format
so I downloaded a free program to format it.
Very easy to use
https://www.aomeitech.com/pa/standard.html