GREENFOOT file icon

GREENFOOT File Extension

Greenfoot Project

What is GREENFOOT file?

GREENFOOT is a file extension commonly associated with Greenfoot Project files. defined the Greenfoot Project format standard. Files with GREENFOOT extension may be used by programs distributed for Windows platform. GREENFOOT file belongs to the Developer Files category just like 1205 other filename extensions listed in our database. The most popular software that supports GREENFOOT files is Greenfoot. Software named Greenfoot was created by In order to find more detailed information on the software and GREENFOOT files, check the developer’s official website.

Programs which support GREENFOOT file extension

Below is a table that list programs that support GREENFOOT files. Files with GREENFOOT extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support GREENFOOT file

Windows Windows

How to open file with GREENFOOT extension?

There can be multiple causes why you have problems with opening GREENFOOT files on given system. On the bright side, the most encountered issues pertaining to Greenfoot Project files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Greenfoot software

Install software to open GREENFOOT file The most common reason for such problems is the lack of proper applications that supports GREENFOOT files installed on the system. The solution is straightforward, just download and install Greenfoot. The full list of programs grouped by operating systems can be found above. The safest method of downloading Greenfoot 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 Greenfoot

Update software that support file extension GREENFOOTYou still cannot access GREENFOOT files although Greenfoot is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that Greenfoot cannot handle files with GREENFOOT may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Greenfoot.

Step 3. Associate Greenfoot Project files with Greenfoot

After installing Greenfoot (the most recent version) make sure that it is set as the default application to open GREENFOOT files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with GREENFOOT file on Windows

Change the default application in Windows

  • Clicking the GREENFOOT 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 Greenfoot is installed. Now all that is left is to confirm your choice by selecting Always use this app to open GREENFOOT files and clicking OK.
Associate software with GREENFOOT file on Mac

Change the default application in Mac OS

  • Right-click the GREENFOOT file and select Information
  • Find the Open with option – click the title if its hidden
  • Select Greenfoot and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with GREENFOOT extension. Next, click the Continue button to finalize the process.

Step 4. Check the GREENFOOT for errors

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

Check GREENFOOT file for viruses
1. Verify that the GREENFOOT in question is not infected with a computer virus

If the file is infected, the malware that resides in the GREENFOOT file hinders attempts to open it. Scan the GREENFOOT file as well as your computer for malware or viruses. GREENFOOT file is infected with malware? Follow the steps suggested by your antivirus software.

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

If you obtained the problematic GREENFOOT 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. It could happen the the download process of file with GREENFOOT extension was interrupted and the file data is defective. Download the file again from the same source.

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

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the Greenfoot Project file again.

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

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

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Greenfoot Project file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle GREENFOOT files.

Do you want to help?

If you have additional information about the GREENFOOT 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 GREENFOOT file.

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