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What is PNF? PNF is used as the file extension for Precompiled INF (Setup Information) files. .PNF files are binary files that are used to store program setup information. See the sample .PNF file included below.

File Extension: .PNF

MIME Type: application/octet-stream

File Content: Precompiled INF

.PNF files are Precompiled INF files saved as binary files. Here are the first 128 bytes of a sample .PNF file, usbprint.PNF, dumped in HEX values:

01 03 02 00 83 00 00 03 00 00 00 00 00 00 05 00 ................
f4 00 00 00 a0 15 00 00 ca 2e 6a c0 3e 04 ca 01 ..........j.....
00 33 62 0e 28 04 ca 01 88 00 00 00 18 15 00 00 .3b.............
10 00 00 00 98 16 00 00 00 01 00 00 98 17 00 00 ................
68 01 00 00 00 19 00 00 90 01 00 00 90 1a 00 00 h...............
60 00 00 00 00 00 00 00 00 00 09 04 78 00 00 00 ............x...
44 00 3a 00 5c 00 57 00 69 00 6e 00 64 00 6f 00 D.....W.i.n.d.o.
77 00 73 00 00 00 00 00 65 00 6e 00 2d 00 55 00 w.s.....e.n...U.

.PNF Precompiled INF file sample: Click sample.pnf to download.