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HG3 file extension

The table below provides useful information about the .hg3 file extension. It answers questions such as:

  • What is the .hg3 file?
  • What program do I need to open a .hg3 file?
  • How can the .hg3 file be opened, edited or printed?
  • How can I convert .hg3 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

✅ Harvard Graphics 3.0 Graphic

HG3 file is a Harvard Graphics 3.0 Graphic. Harvard Graphics was a pioneering presentation program developed for DOS and Microsoft Windows.
HG3 format description not yet available
Category: Graphic files
Application: Harvard Graphics
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
HG3 aliases:
HG3 related links:
HG3 related extensions:
Corel Presents Presentation

Microsoft PowerPoint Presentation

Corel Presentations Document

OpenDocument Presentation

Corel Presentations Template

StarOffice Packed Presentation

StarOffice Presentation

Microsoft PowerPoint 2007 Presentation

Microsoft PowerPoint 2007 Presentation

OpenDocument Presentation Template

Other types of files may also use the .hg3 file extension.

🚫 The .hg3 file extension is often given incorrectly!

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

g3, gg3, hg, hge, hgr, ht3, hv3, hy3, mg3, tg3, yg3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Hypertext Markup Language Document
Gerber Inner Routing Layer 1 Data
G3 FAX Image
Mercurial Data
Hy-Tek Meet Manager Results Data
TexGen 3 Geometry Data
GNOME C++ Header
Band-in-a-Box Song
Hulixerian Game Engine Data
Corel Paradox Secondary Index

🔴 Can't open a .hg3 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 .hg3 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 .hg3 file extension, write to us!

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