Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .hl_

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .hl_ file?
  • Which program can create the .hl_ file?
  • Where can you find a description of the .hl_ format?
  • What can convert .hl_ files to a different format?
  • Which MIME-type is associated with the .hl_ extension?
Compressed HLP File .hl_ file icon

Compressed HLP File

The HL_ file is a Compressed HLP File. Some files in the software distribution are provided in compressed form. These files are indicated with an underscore character as the last character in their file type.
Detailed description not available
Category: Data files
Application: Expand
Program name: expand.exe
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Windows Global Index File
Windows Help File
Compressed SYS File
Compressed DLL File
Compressed EXE File
Compressed ISP File
Compressed IEC File
Compressed PPD File
Windows Help Full-Text Search Index

Other types of files may also use the .hl_ file extension. If you have helpful information about .hl_ extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Haxe Compiler Output
MainLog Compressed Data

The .hl_ filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

tl_ (1), h_ (1), hl (1), ml_ (1), hp_ (1)

Can't open a .hl_ file?

If you want to open a .hl_ file on your computer, you just need to have the appropriate program installed. If the .hl_ association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.hl_

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android