Hi all, thanks in advance for the read. I am new to Mac and am looking to use time machine with an external hard drive. My girlfriend has a huge seagate external hdd and uses a program which creates very small backup images on this hard drive. Here is what I would like to do: Partition the hard drive such that there are two partitions, one for the windows machine to back up to (NTFS) and one for the mac to backup to (HFS+). Please note, the windows machine does NOT need to access the mac part and vice versa. I understand that there is a program called MacDrive that will let me just keep the whole drive mac formatted, but I'd rather not do that. Instead, I would like two separate partitions so that time machine doesn't try to overstep its boundaries. How would I go about doing this? (what program etc) Thanks in advance and let me know if you need more info.