.BLUEJ File Extension

University of Kent
File Type:
BlueJ Package File

Having trouble opening .bluej extension? Don't panic! This page explains what bluej files are as well as suggests programs you may use to open bluej files. You can download these programs through this page.

What is a BLUEJ file?

Bluej file extension has BlueJ Package file type, developed by University of Kent, which is associated with the "developer files" category.

BlueJ is a Java development environment that uses package files in this format. The program opens after you double click on the BlueJ package. In addition to that, .BLUEJ files are created to save data when you start a new project. All project files with this extension are saved in a specific folder. 

To learn how you can open the given file, read the information below.

bluej file icon
University of Kent
File Type:
BlueJ Package File
Developer Files

How to open BLUEJ file?

Double click the bluej file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .bluej extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the bluej extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the bluej file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open BLUEJ files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the bluej file as well. Download Universal File Viewer for your OS.

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