How to open B04 files
Did your computer fail to open a B04 file? We explain what B04 files are and recommend software that we know can open or convert your B04 files.
What is a B04 file?
The B04 file extension indicates to your device which app can open the file. However, different programs may use the B04 file type for different types of data.
While we do not yet describe the B04 file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.
We are continually working on adding more file type descriptions to the site, so if you have information about B04 files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!
Update info Upload example file
Various B04 openers
These apps are known to open certain types of B04 files. Since many different programs may use B04 files for different purposes, you may need to try a few of the apps to open your specific B04 file.
![]() | Symphonie Data Retriever | User submitted |
Try a universal file viewer
Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.