Yet, Windows is totally incapable of no matter reading or writing data on HFS drive. Mac is able to read the NTFS drive data, but unable to write to it. This post will look at this question to expose the answer.Īs we all know, the native file system in Mac OS is Hierarchical File System (HFS), and in Windows, it is NTFS. Therefore, many users wonder whether it’s possible to back up both Mac and Windows systems to the same hard drive. It is well-known that Mac and Windows uses different file system format.