A hl$ file extension is related to the MS-DOS operating system and used for its compressed help data.
Software that open hl$ file
HL$ file extension - MS-DOS compressed help document
What is hl$ file? How to open hl$ files?
The hl$ file extension is associated with MS-DOS, an operating system for IBM-PC compatible computers.
The hl$ file contains compressed help file from MS-DOS system. The hl$ can be decompressed with UNPACK.EXE.
The default software associated to open hl$ file:
Company or developer:
Microsoft Corporation
MS-DOS (short for Microsoft Disk Operating System) is an operating system commercialized by Microsoft. It was the most commonly used member of the DOS family of operating systems and was the dominant operating system for computers during the 1980s
List of software applications associated to the .hl$ file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open hl$ file, edit hl$ file, convert hl$ file, view hl$ file, play hl$ file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting hl$ files.
Applications that extract hl$ file - MS-DOS compressed help document
Programs supporting the exension hl$ on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about MS-DOS for extract hl$ file action.