A daily updated filename extension database!

HLH file extension

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

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

✅ Ashampoo Photo Optimizer Data

HLH file is an Ashampoo Photo Optimizer Data. Ashampoo Photo Optimizer is a photo editing software, that allows you to touch up your digital photos.
HLH format description not yet available
Category: Other files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HLH aliases:
HLH related links:
HLH related extensions:

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

🚫 The .hlh file extension is often given incorrectly!

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

glh, h1h, hh, hhl, hkh, hl, hlb, hlg, hlj, hlm, hln, hlt, hph, lh, mlh

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

C++ Header File
Message Tools for NetWare Source Code
BMERC Homolog Format Data
Gallery Lock Pro Locked Video
Bentley MicroStation Hidden Line Data
Haxe Compiler Output
Microsoft Help Merged Hierarchy File
Hyperlynx Thermal Data
HP OpenVMS Help Library
HTML Help Header File

🔴 Can't open a .hlh 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 .hlh 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 .hlh file extension, write to us!

🔴 Rate our HLH page

Please help us by rating our HLH page on a 5-star rating system below. (1 star is poor, 5 star is excellent)

3 of 5 stars (19 votes)
Thanks for voting!
Invalid vote.
Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文