I previously used a 500GB external HDD for my Apple notebook, and it was formatted using the OS X standard (can't recall the name). I recently installed that HDD into a newly built PC, but it isn't recognized in Windows 8. I can see the drive in my system bios, so I suspect it's the formatting that's causing the issue. Anyway, I would like to preserve some of the files that are on that drive before I wipe it clean and reformat it as NTFS. Does anyone know how I can do this? Thanks.