GMZ File Extension

What is GMZ file?

Full format name of files that use GMZ extension is GameMaker Complete Source. GameMaker Complete Source specification was created by YoYo Games. Files with GMZ extension may be used by programs distributed for Windows platform. GMZ file belongs to the Misc Files category just like 6033 other filename extensions listed in our database. The software recommended for managing GMZ files is GameMaker.

Programs which support GMZ file extension

The following listing features GMZ-compatible programs. GMZ 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 GMZ extension?

Being unable to open files with GMZ extension can be have various origins. Fortunately, most common problems with GMZ files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with GMZ files.

Step 1. Get the GameMaker

The main and most frequent cause precluding users form opening GMZ files is that no program that can handle GMZ files is installed on user’s system. 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. Verify the you have the latest version of GameMaker

If you already have GameMaker installed on your systems and GMZ files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. This can be one of the causes why GMZ files are not compatible with GameMaker. The latest version of GameMaker should support all file formats that where compatible with older versions of the software.

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

If the issue has not been solved in the previous step, you should associate GMZ files with latest version of GameMaker you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

The procedure to change the default program in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the GMZ file
• 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 GameMaker installation folder. Confirm by checking Always use this app to open GMZ files box and clicking OK button.

The procedure to change the default program in Mac OS

• Right-click the GMZ file and select Information
• Find the Open with option – click the title if its hidden
• Select GameMaker and click Change for all...
• Finally, a This change will be applied to all files with GMZ extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the GMZ is not faulty

Should the problem still occur after following steps 1-3, check if the GMZ file is valid. It is probable that the file is corrupted and thus cannot be accessed.

1. Verify that the GMZ in question is not infected with a computer virus

If the GMZ is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the GMZ file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If the GMZ file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. If the GMZ file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the GameMaker Complete Source file.

4. Make sure that the system has sufficient resources to run GameMaker

If the systems has insufficient resources to open GMZ files, try closing all currently running applications and try again.

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 GameMaker Complete Source files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with GMZ files affecting older versions of given software.

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