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HD3 file extension

The table below provides useful information about the .hd3 file extension. It answers questions such as:

  • What is the .hd3 file?
  • What program do I need to open a .hd3 file?
  • How can the .hd3 file be opened, edited or printed?
  • How can I convert .hd3 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

✅ Huidu LED Matrix Data

HD3 file is a Huidu LED Matrix Data. Huidu is a Chinese LED dot matrix display manufacturer. This .hd3 file is a plain XML which contains the detailed information of the created content.
HD3 format description not yet available
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HD3 aliases:
HD3 related links:
HD3 related extensions:

Other types of files may also use the .hd3 file extension.

🚫 The .hd3 file extension is often given incorrectly!

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

bd3, d3, gd3, h3d, hc3, hd, hde, hdr, hdw, he3, hs3, hv3, md3, td3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Sony Playstation 2 SCEI Instrument Set Data
AquaChem v3 Database
Lacerte Tax Data
Disguise 3 Project
HAHTsite Site Configuration Data
Teledisk Floppy Image
Microsoft IIS NNTP Header Data
Gerber Drill Drawing Data
Harvard Graphics Drawing

🔴 Can't open a .hd3 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 .hd3 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 .hd3 file extension, write to us!

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