A daily updated filename extension database!

HM3 file extension

The table below provides useful information about the .hm3 file extension. It answers questions such as:

  • What is the .hm3 file?
  • What program do I need to open a .hm3 file?
  • How can the .hm3 file be opened, edited or printed?
  • How can I convert .hm3 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

✅ Help and Manual 3 Project

HM3 file is a Help and Manual 3 Project. Help and Manual is an advanced multi format help authoring tool that provides all the formatting and editing features of a modern word processor.
Category: Project files
Application: Help and Manual
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HM3 aliases:
HM3 related links:
HM3 related extensions:
Help and Manual Impict Image

Help and Manual eBook Template

Help and Manual Print Manual Template

Help and Manual Viewer Template

Help and Manual 4 Project

Help and Manual Skin Data

Help and Manual 2 Project

Help and Manual 4 Compressed Project

Other types of files may also use the .hm3 file extension.

🚫 The .hm3 file extension is often given incorrectly!

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

bm3, gm3, h3m, hm, hme, hmr, hmw, jm3, m3, mm3, nm3, tm3, um3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Mortgage Minder v3 Data File
Sony Ericsson PC Suite Backup
Juki AMS Embroidery Data
Navitel v5 Map
Inertial Explorer Heading Data
TreeMap Document
Homeword for DeskMate Document
Heroes of Might and Magic 3 Map Data
eXtendable Wad Editor UM3 Data

🔴 Can't open a .hm3 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 .hm3 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 .hm3 file extension, write to us!

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Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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