Files with rka file extension might be found as rare lossless audio files in RKAU format.
RKA file extension - RK Audio compressed data
What is rka file? How to open rka files?
File type specification:
The rka file extension is mainly related to a special compressed format utilizing lossless RKAU audio compression.
Most likely some old format without support. No further information could be found.
This rka 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.