FileInfo.com - The File Extensions Resource

.FNT File Extension

File Type	Windows Font File
File Format	File
Common?	No
File Description	Generic font file used by Microsoft Windows; may contain a single raster or vector font; typically stored in the system Fonts folder; most FNT files have been replaced by TrueType (.TTF) and OpenType (.OTF) fonts.
Program(s) that open fnt files	Windows: Edit with VSoft FontEdit; Referenced by various programs

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/fnt