GM3 File Extension

What is GM3 file?

Full format name of files that use GM3 extension is Heroes Of Might & Magic III Saved Game. The 3DO Company defined the Heroes Of Might & Magic III Saved Game format standard. GM3 files are supported by software applications available for devices running Windows. GM3 file format, along with 1509 other file formats, belongs to the Game Files category. Heroes of Might & Magic III: The Restoration of Erathia is by far the most used program for working with GM3 files.

Programs which support GM3 file extension

The following listing features GM3-compatible programs. Files with GM3 suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with GM3 extension?

There can be multiple causes why you have problems with opening GM3 files on given system. Fortunately, most common problems with GM3 files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Heroes of Might & Magic III: The Restoration of Erathia

Problems with opening and working with GM3 files are most probably having to do with no proper software compatible with GM3 files being present on your machine. The solution to this problem is very simple. Download Heroes of Might & Magic III: The Restoration of Erathia and install it on your device. Above you will find a complete listing of programs that support GM3 files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Heroes of Might & Magic III: The Restoration of Erathia website and download the installer.

Step 2. Update Heroes of Might & Magic III: The Restoration of Erathia to the latest version

You still cannot access GM3 files although Heroes of Might & Magic III: The Restoration of Erathia is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why GM3 files are not compatible with Heroes of Might & Magic III: The Restoration of Erathia. The latest version of Heroes of Might & Magic III: The Restoration of Erathia should support all file formats that where compatible with older versions of the software.

Step 3. Assign Heroes of Might & Magic III: The Restoration of Erathia to GM3 files

After installing Heroes of Might & Magic III: The Restoration of Erathia (the most recent version) make sure that it is set as the default application to open GM3 files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

• Clicking the GM3 with right mouse button will bring a menu from which you should select the Open with option
• Select Choose another app → More apps
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Heroes of Might & Magic III: The Restoration of Erathia installation folder. Confirm by checking Always use this app to open GM3 files box and clicking OK button.

Selecting the first-choice application in Mac OS

• From the drop-down menu, accessed by clicking the file with GM3 extension, select Information
• Open the Open with section by clicking its name
• From the list choose the appropriate program and confirm by clicking Change for all....
• A message window should appear informing that This change will be applied to all files with GM3 extension. By clicking Continue you confirm your selection.

Step 4. Check the GM3 for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the GM3 file in question. Being unable to access the file can be related to various issues.

1. Check the GM3 file for viruses or malware

If the GM3 is indeed infected, it is possible that the malware is blocking it from opening. Scan the GM3 file as well as your computer for malware or viruses. If the scanner detected that the GM3 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If the GM3 file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. If the GM3 file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Heroes Of Might & Magic III Saved Game file.

4. Check whether your system can handle Heroes of Might & Magic III: The Restoration of Erathia

The operating systems may note enough free resources to run the application that support GM3 files. Close all running programs and try opening the GM3 file.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with Heroes Of Might & Magic III Saved Game files and ensure security of your device and operating system. It may be the case that the GM3 files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the GM3 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on GM3 file.