What is HLP? HLP, short name for Help, is used as the file extension for Windows Help files. .HLP files are binary files that can be opened by Windows Help Workshop software. See the sample .HLP file included below.

File Extension: .HLP

MIME Type: application/octet-stream

File Content: Windows Help

.HLP files are Windows Help files saved as binary files. Here are the first 128 bytes of a sample .HLP file, gs-vms.hlp, dumped in HEX values:

31 20 67 73 0d 0a 20 67 73 20 2d 20 47 50 4c 20 1.gs...gs...GPL.
47 68 6f 73 74 73 63 72 69 70 74 20 69 6e 74 65 Ghostscript.inte
72 70 72 65 74 65 72 2f 70 72 65 76 69 65 77 65 rpreter.previewe
72 0d 0a 21 20 24 49 64 3a 20 67 73 2d 76 6d 73 r.....Id..gs.vms
2e 68 6c 70 20 37 39 35 30 20 32 30 30 37 2d 30 .hlp.7950.2007.0
35 2d 31 31 20 31 37 3a 30 33 3a 35 31 5a 20 67 5.11.17.03.51Z.g
69 6c 65 73 20 24 0d 0a 21 20 47 68 6f 73 74 73 iles......Ghosts
63 72 69 70 74 20 76 65 72 73 69 6f 6e 20 38 2e cript.version.8.

.HLP Windows Help file sample: Click sample.hlp to download.

.HLP Windows Help files can be created and modified by these software:

• Windows Help program (WinHlp32.exe) - Opens and displays .HLP Windows Help files.