An fc4 file extension is related to the AMIGA Futur-Composer module file format.
FC4 file extension - AMIGA Futur-Composer module
What is fc4 file? How to open fc4 files?
File type specification:
The fc4 file extension is associated with the AMIGA Futur-Composer a music composing software also known as music tracker developed for AmigaOS.
The fc4 file stores audio data (module) created in Futur Composer.
The Futur Composer is obsolete product.
This fc4 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.