GM81 File Extension

What is GM81 file?

GM81 filename suffix is mostly used for Game Maker 8.1 Project Format files. Game Maker 8.1 Project Format specification was created by YoYo Games. GM81 file format is compatible with software that can be installed on Windows system platform. Files with GM81 extension are categorized as Developer Files files. The Developer Files subset comprises 1205 various file formats. GameMaker is by far the most used program for working with GM81 files.

Programs which support GM81 file extension

The following listing features GM81-compatible programs. GM81 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with GM81 extension?

Being unable to open files with GM81 extension can be have various origins. Fortunately, most common problems with GM81 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 GameMaker

Problems with opening and working with GM81 files are most probably having to do with no proper software compatible with GM81 files being present on your machine. The solution to this problem is very simple. Download GameMaker and install it on your device. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading GameMaker installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Check the version of GameMaker and update if needed

If the problems with opening GM81 files still occur even after installing GameMaker, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of GameMaker is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of GameMaker installed, it may not support GM81 format. The most recent version of GameMaker is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open GM81 files to GameMaker

If the issue has not been solved in the previous step, you should associate GM81 files with latest version of GameMaker you have installed on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

• Clicking the GM81 with right mouse button will bring a menu from which you should select the Open with option
• Click Choose another app and then select More apps option
• The last step is to select Look for another app on this PC option supply the directory path to the folder where GameMaker is installed. Now all that is left is to confirm your choice by selecting Always use this app to open GM81 files and clicking OK.

The procedure to change the default program in Mac OS

• Right-click the GM81 file and select Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select the appropriate software and save your settings by clicking Change all
• If you followed the previous steps a message should appear: This change will be applied to all files with GM81 extension. Next, click the Continue button to finalize the process.

Step 4. Ensure that the GM81 file is complete and free of errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the GM81 file in question. It is probable that the file is corrupted and thus cannot be accessed.

1. The GM81 may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the GM81 is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the GM81 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with GM81 extension is complete and error-free

If you obtained the problematic GM81 file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with GM81 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle GameMaker

If the system is under havy load, it may not be able to handle the program that you use to open files with GM81 extension. In this case close the other applications.

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

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Game Maker 8.1 Project Format files. It may be the case that the GM81 files work properly with updated software that addresses some system bugs.

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