(Printer Font Metrics file) A Type 1 font file that contains the measurements of each character in the font. In a PC, both PFM and PFB files are required. The PFB files are located in the \PSFONTS folder, and the PFM files are in the \PSFONTS\PFM folder. Sometimes \PSFONTS is in the \WINDOWS folder. See Type 1 font, PFB file and PostScript fonts.