Installed TrueType font (Microsoft Windows Font Installer)
FOT is a font file format used by Microsoft Windows. FOT files contain font information associated with Installed TrueType Font. FOT files are part of the Windows 3.x library, and are related to .TTF files.
Learn more about .FOT files:
Read about TrueType fonts on Wikipedia.
Search for .FOT-related questions on IT Knowledge Exchange.