Fonts file types and extensions

Extension File Description   Popularity
.abf Adobe Binary Screen Font File Average
.acfm Adobe Composite Font Metrics File Average
.afm Adobe Font Metrics File Average
.amfm Adobe Multiple Font Metrics File Average
.bdf Glyph Bitmap Distribution Format Average
.cha Character Layout File Average
.chr Borland Character Set Average
.dfont Mac OS X Data Fork Font Average
.eot Embedded OpenType Font Uncommon
.ffil Mac Font Suitcase Uncommon
.fnt Windows Font File Very Common
.fon Generic Font File Very Common
.gdr Symbian OS Font File Average
.lwfn Adobe Type 1 Mac Font File Average
.otf OpenType Font Very Common
.pfa Printer Font ASCII File Average
.pfb Printer Font Binary File Average
.pfm Printer Font Metrics File Average
.pfr Portable Font Resource File Average
.suit Macintosh Font Suitcase Average
.ttc TrueType Font Collection Average
.ttf TrueType Font Very Common
.xfn Ventura Printer Font Average
.xft ChiWriter Printer Font Average