Xbox One external xbox harddrive

[Jeff Dickson]

i have a Xbox One S and just purchased a Xbox Series S and i am having a problem with connecting the external xbox hhd. to the series s. do i have to reformat the drive to use it on my Series s and if so is there way to partioin the drive so i dont lose my data from my xbox one s saved games and profiles.

any help would be greatly appreciated.