A daily updated filename extension database!

HZN file extension

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

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

✅ Observer Pro Horizon Data

HZN file is a Observer Pro Horizon Data. Observer Pro is an iOS app for advanced astronomy planning.
HZN format description not yet available
Category: Data files
Application: Observer Pro
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HZN aliases:
HZN related links:
HZN related extensions:

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

🚫 The .hzn file extension is often given incorrectly!

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

bzn, han, hsn, hxn, hz, nzn, zn

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Star Trek: Armada Game Map
RMCProfile Nitrogen Zinc Neighbours Data
Headline Studio Animation
ZNwinEHE Project
HostScan Hosts Data
Hexagon 3D Model
Chinese Hanzi Text File
NoteZilla Notes Data

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

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