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H03 file extension

The table below provides useful information about the .h03 file extension. It answers questions such as:

  • What is the .h03 file?
  • What program do I need to open a .h03 file?
  • How can the .h03 file be opened, edited or printed?
  • How can I convert .h03 files to another format?

Table of Contents

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

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

✅ Flash ROM HEX File

H00 file is a Flash ROM HEX File.
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
H00 aliases:
h01, h02, h03
H00 related links:
H00 related extensions:

Other types of files may also use the .h03 file extension.

🚫 The .h03 file extension is often given incorrectly!

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

b03, g03, h0, hp3, j03, m03, t03, y03

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

TaxCut Federal Data
Magic Lantern RAW Video
Akeeba Multi-part Backup Archive
Magix Movie Edit Pro Audio Data
MicroStation Modification User Resource File
BlindWrite CD Image Segment
HEC-RAS Geometry File
Harpoon Classic Game Data
Corel Paradox Secondary Index
Akeeba Secured Backup Archive

🔴 Can't open a .h03 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 .h03 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 .h03 file extension, write to us!

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