.abf
Adobe Binary Screen Font File Adobe Systems
.acfm
Adobe Composite Font Metrics File Adobe Systems
.afm
Adobe Font Metrics File N/A
.amfm
Adobe Multiple Font Metrics File Adobe Systems
.bdf
Glyph Bitmap Distribution Format Adobe Systems
.cha
Character Layout File N/A
.chr
Borland Character Set File N/A
.compositefont
Windows Composite Font File Microsoft
.dfont
Mac OS X Data Fork Font N/A
.eot
Embedded OpenType Font N/A
.etx
TeX Font Encoding File N/A
.euf
Private Character Editor File Microsoft
.f3f
Crazy Machines Font File Viva Media
.ffil
Mac Font Suitcase Apple
.fnt
Windows Font File N/A
.fon
Generic Font File N/A
.fot
Font Resource File N/A
.gdr
Symbian OS Font File N/A
.gf
METAFONT Bitmap File N/A
.gxf
General CADD Pro Font File General CADD Products
.lwfn
Adobe Type 1 Mac Font File Adobe Systems
.mcf
Watchtower Library Font File Watchtower Bible and Tract Society
.mf
METAFONT File Donald Knuth
.mxf
Maxis Font File Electronic Arts
.nftr
Nintendo DS Font Type File N/A
.otf
OpenType Font N/A
.pcf
PaintCAD Font PaintCAD
.pfa
Printer Font ASCII File N/A
.pfb
Printer Font Binary File Adobe Systems
.pfm
Printer Font Metrics File N/A
.pfr
Portable Font Resource File Bitstream
.pk
Packed METAFONT File N/A
.sfd
Spline Font Database File FontForge
.sfp
Soft Font Printer File N/A
.suit
Macintosh Font Suitcase N/A
.tfm
TeX Font Metric File N/A
.ttc
TrueType Font Collection N/A
.tte
Private Character Editor File Microsoft
.ttf
TrueType Font Apple
.txf
Celestia Font Texture File Celestia Development Team
.vfb
FontLab Studio Font File FontLab
.vlw
Processing Font File Processing
.vnf
Vision Numeric Font Vision Numeric
.woff
Web Open Font Format File WebFonts Working Group
.xfn
Ventura Printer Font N/A
.xft
ChiWriter Printer Font N/A
.ytf
Google Picasa Font Cache Google