GB1 File Extension

GB1 file icon
Game Maker Backup Format
  • Developer
    YoYo Games
  • Popularity
    2.8 (5 votes)

What is GB1 file?

GB1 is a file extension commonly associated with Game Maker Backup Format files. Game Maker Backup Format specification was created by YoYo Games. Files with GB1 extension may be used by programs distributed for Windows platform. GB1 file format, along with 174 other file formats, belongs to the Backup Files category. The most popular software that supports GB1 files is GameMaker.

Programs which support GB1 file extension

Below is a table that list programs that support GB1 files. Files with GB1 suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support GB1 file

Windows Windows

How to open file with GB1 extension?

There can be multiple causes why you have problems with opening GB1 files on given system. Fortunately, most common problems with GB1 files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the GameMaker

The main and most frequent cause precluding users form opening GB1 files is that no program that can handle GB1 files is installed on user’s system. The solution is straightforward, just download and install GameMaker. Above you will find a complete listing of programs that support GB1 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 GameMaker website and download the installer.

Step 2. Verify the you have the latest version of GameMaker

If the problems with opening GB1 files still occur even after installing GameMaker, it is possible that you have an outdated version of the software.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. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of GameMaker installed, it may not support GB1 format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using GameMaker.

Step 3. Associate Game Maker Backup Format files with GameMaker

If the issue has not been solved in the previous step, you should associate GB1 files with latest version of GameMaker you have installed on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

  • Right-click the GB1 file and choose Open with option
  • Select Choose another app → More apps
  • Finally select Look for another app on this PC, point to the folder where GameMaker is installed, check the Always use this app to open GB1 files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

  • Right-click the GB1 file and select Information
  • Find the Open with option – click the title if its hidden
  • 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 GB1 extension. By clicking Continue you confirm your selection.

Step 4. Check the GB1 for errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper GB1 file. Being unable to access the file can be related to various issues.

1. Check the GB1 file for viruses or malware

If the file is infected, the malware that resides in the GB1 file hinders attempts to open it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the GB1 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with GB1 extension is complete and error-free

If you obtained the problematic GB1 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 GB1 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the Game Maker Backup Format file again.

4. Verify that your device fulfills the requirements to be able to open GameMaker

The operating systems may note enough free resources to run the application that support GB1 files. Close all running programs and try opening the GB1 file.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Game Maker Backup Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle GB1 files.

Do you want to help?

If you have additional information about the GB1 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 GB1 file.

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