This MIME type is used for binary files, it's usually a fallback for unknown/generic MIMEs with no specific designation.
File types
.a .bin .bpk .deploy .dist .distz .dmg .dms .dump .elc .iso .lha .lrf .lzh .o .obj .pkg .so
Also appears as
Not known to appear as any other types
Further reading
No additional links listed