B4J File

What are B4J files and how to open them

Are you having problems opening a B4J file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a B4J file?

A .B4J file is a B4J Source Code file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open B4J files

Important: Different programs may use files with the B4J file extension for different purposes, so unless you are sure which format your B4J file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 2 different B4J openers which you will find listed below.

Last updated: December 27, 2019

Various apps that use files with this extension

These apps are known to open certain types of B4J files. Remember, different programs may use B4J files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Back4SureBack4SureUser submitted
B4JB4JUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about B4J file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.