Files with pfb file extension are used by the DESQview application which was developed by Quarterdeck Office Systems.
There is one other file type using
the PFB file extension!
.pfb - Type 1 PostScript font
PFB file extension - DESQview data
What is pfb file? How to open pfb files?
File type specification:
The pfb file extension is associated with the DESQview a text mode multitasking program developed by Quarterdeck Office Systems. The .pfb file stores various data used for internal purposes of the DESQview.
DESQview enjoyed modest popularity in the late 1980s and early 1990s. Running on top of MS-DOS operating system, it allowed users to run multiple DOS programs concurrently in multiple windows.
This pfb file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.