Opening a GM3 File

The GM3 file type is primarily associated with Heroes of Might & Magic III.

GM3	File extension: GM3
	File type:	Saved Game

What is a GM3 file

GM3 files mostly belong to Heroes of Might & Magic III by The 3DO Company. With 3 human players in the game.

How to open a GM3 file

You need a suitable software like Heroes of Might & Magic III to open a GM3 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your GM3 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GM3 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GM3 Text Viewer

Choose your .gm3 file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert GM3 files:

Heroes of Might & Magic III by The 3DO Company
See the previous paragraphs to learn more about the main application. GM3 files are often referred to as Heroes of Might & Magic III games because this type of file is primarily created or used by this software.
S.A.P.S. - Sharp Advanced Presentation Software Professional
Controls Sharp LCD projectors.

Technical Data for GM3 File Extension

File classification:

Game

Related files:

g3m, gm1, gm7, gm9, gm2

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: CAMtasticMechanicalLayer3GerberData
EXEFile: %ProgramFiles%\Altium\Dxp.exe %1

ProgramID: CAMtasticMechanicalLayer3GerberData
EXEFile: %ProgramFiles%\Dxp.exe

a gm3 Saved Game is a special file format by The 3DO Company and should only be edited and saved with the appropriate software.

How to solve problems with GM3 files

Associate the GM3 file extension with the correct application.
Update your software that should actually open saved games. Because only the current version supports the latest GM3 file format. Search, therefore, e.g. on the The 3DO Company manufacturer website after an available Heroes of Might & Magic III update.
To make sure that your GM3 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .GM3 file online - secure, fast, and no downloads needed.