The key message of this article is that the NTFS file system is one of the most secure for networked and secure-sensitive areas of your company. It also has features that make labeling files much easier. It almost seems like a waste to have a Windows XP Professional system and not have the ability to fully leverage all it has to offer in the way of file systems. The FAT file system's legacy is the best choice for widespread application compatibility. Although there's widespread support for the FAT file system, there's also a security tradeoff for having to support the lowest common denominator of application compatibility.