Plato has written a new tool to his collection of BIOS Utilities:
https://github.com/platomav/BIOSUtilities
https://github.com/platomav/BIOSUtilities/tree/master/Dell%20PFS%20BIOS%20Extractor
Inspired from https://github.com/LongSoft/PFSExtractor-RS by Nikolaj Schlej