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HRL file extension

The table below provides useful information about the .hrl file extension. It answers questions such as:

  • What is the .hrl file?
  • What program do I need to open a .hrl file?
  • How can the .hrl file be opened, edited or printed?
  • How can I convert .hrl files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

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

✅ Erlang Header File

HRL file is an Erlang Header File. Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability.
Application: Erlang
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HRL aliases:
HRL related links:
HRL related extensions:
Erlang EDoc Document

Erlang Source Code

Erlang Compiled BEAM File

Erlang Application Upgrade File

Erlang Makefile

Other types of files may also use the .hrl file extension.

🚫 The .hrl file extension is often given incorrectly!

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

brl, grl, hdl, hel, hgl, hl, hlr, hr, hrm, hrp, htl, jrl, mrl, nrl, rhl

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

BRL-CAD Document
EdgeSounds RatHole Compressed Audi
AviSys Bird Watcher Database
ZX Spectrum Attributes Gigascreen Image
HP Graphic Language Document
R.viewer List Data
HAHTsite Referred Project Information
TRS 80 Image
Multimedia Retrieval Markup Language File

🔴 Can't open a .hrl file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .hrl file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .hrl file extension, write to us!

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