Location Of Itunes Backup |link| -

mklink /J "C:\Users\[USERNAME]\AppData\Roaming\Apple Computer\MobileSync\Backup" "D:\iTunesBackups"

Sort folders in Backup/ by Date Modified → most recent is likely your last backup. location of itunes backup

C:\Users\[USERNAME]\AppData\Roaming\Apple Computer\MobileSync\Backup\ location of itunes backup