.pfb - Type 1 PostScript font
.ttf - TrueType Font
.fnt - Usually font file
.ofm - Adobe PostScript font description file
.otf - OpenType font file format
.afm - Adobe font metrics file
.frf - FontMonger intermediate font
.ffil - Mac OS X Data Fork Suitcase Format
file extension SFO - Bitstream font file
File extension SFO description:
Bitstream delivers high-quality font solutions for developers, ad agencies, graphic designers, desktop publishers, corporations, small businesses, and home office users.
