BLUEJ File - opening and understanding

Did your computer fail to open a BLUEJ file? We explain what they are used for and recommend software that we know can open or otherwise handle your .BLUEJ files.

What is a BLUEJ file?

A .BLUEJ file is a BlueJ Package file. Through our analysis of BLUEJ files, we know that one use of the format is BlueJ Package. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open BLUEJ files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension BLUEJ for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 6 different BLUEJ openers which you will find listed below.

Suggest another file format using extension BLUEJ

While we know of one file format using the .BLUEJ file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .BLUEJ file.

Various viewers for this file format

These apps are known to open certain types of BLUEJ files. Remember, different programs may use BLUEJ files for different purposes, so you may need to try out a few of them to be able to open your specific file.

BlueJBlueJUser submitted
Select VMSelect VMUser submitted
RainmeterRainmeterUser submitted
White DayWhite DayUser submitted
Microsoft Age of EmpiresMicrosoft Age of EmpiresUser submitted
Franklin University BlueJFranklin University BlueJUser submitted
We have not verified any software that we know for certain will work with BLUEJ-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with BLUEJ-files. If you know one, please use the 'Suggest a program' link below and tell us about it!