A sop file extension is related to the NOTE and used for its song files.
There is one other file type using
the SOP file extension!
.sop - Malware word.sop data
SOP file extension - NOTE song
What is sop file? How to open sop files?
File type specification:
The sop file extension is associated with the NOTE, a music composing software also known as music tracker developed by some Korean company.
The sop file stores song created in the NOTE.
This sop 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.