.hlp

File Type Windows Help File IconWindows Help File
File Format Proprietary (Microsoft)
Usage Open manually; may be referenced by an application
Rank ★ ★ ★  Common
Description

Contains documentation for the Windows operating system or Windows programs; compiled using Microsoft Help Workshop (HCW.exe); can be viewed with the Windows Help Viewer, which is integrated into the Windows operating system.

Open With
Windows

IconAdobe RoboHelp

IconMicrosoft Windows Help Viewer

IconMicrosoft Help Workshop

macOS

IconAdobe RoboHelp

Unix

IconHelp Explorer Viewer

Updated 2007
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