An sj_ file extension is related to the SuperJAM program. An sj_ file stores audio.
Software that open sj_ file
SJ_ file extension - SuperJAM audio data
What is sj_ file? How to open sj_ files?
File type specification:
The sj_ file extension is associated with old audio program called SuperJAM, developed by Blue Ribbon SoundWorks.
The .sj_ files contain audio.
Blue Ribbon SoundWorks was acquired by Microsoft in 1995.
This sj_ file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
The default software associated to open sj_ file:
SuperJAM 
(obsolete software)
Company or developer:
Blue Ribbon Soundworks
SuperJAM seems to be some old, no longer available MIID jamming program available around 1995.
List of software applications associated to the .sj_ file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open sj_ file, edit sj_ file, convert sj_ file, view sj_ file, play sj_ file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting sj_ files.
sj_ file player - programs that play sj_ file - SuperJAM audio data
Programs supporting the exension sj_ on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about SuperJAM for play sj_ file action.
Microsoft Windows:
SuperJAM (obsolete/discontinued)
