An elf file extension is related to the Black Belt Systems extended layer data format.
There is one other file type using
the ELF file extension!
.elf - ELF executable [common]
ELF file extension - Black Belt Systems extended layer data
What is elf file? How to open elf files?
File type specification:
The elf file extension is used by some Black Belt Systems application.
The .elf files contain extended layer data.
Most likely some old format without support. No further information could be found.
This elf 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.