Home Knowledge Base Operating Systems Windows WinNT Versions Prior to 3.51 Do Not Support New Long File Names Using Windows NT versions prior to 3.51 on a partition with LFN's will destory the LFN's created by Win9x/ME/NT3.51+/2K/XP/2K3/Vista/Windows 7/Windows 8.x/Windows 10. Was This Article Helpful? 1