Files with jnk file extension can occasionally be found as junk, some sort of temporary files.
There is one other file type using
the JNK file extension!
.jnk - Starpoint Gemini 2 junkyard data
JNK file extension - Junk temporary data
What is jnk file? How to open jnk files?
File type specification:
The JNK file extension is sometimes used for junk files - temporary files. Can be safely deleted.
Most likely some old format without support. No further information could be found.
This jnk 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.