PFB is an acronym for Printer Font Binary. Files that contain the .pfb file extension usually store Adobe Type 1 fonts that are used for the Windows operating system.
PFB files are similar to PFA files, but unlike PFA files, PFB files have been encoded in a binary file format and are encrypted.
To open the PFB file you must have the associated PFM file that is stored in the same system Fonts folder as the PFB file.
The DESQview software application has also been reported to use the .pfb file extension for files that are referenced by the program.
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If you have additional information about the PFB file format or software that uses files with the PFB suffix, please do get in touch - we would love hearing from you.