Files with jmck file extension are used by JM-Crypt, a program for Windows.
JMCK file extension - JM-Crypt encrypted file
What is jmck file? How to open jmck files?
File type specification:
The jmck file extension is associated with the JM-Crypt, an application for Microsoft Windows operating system, which enables users to protect sensitive data.
The jmck file contains encrypted data, protected by JM-Crypt.
This jmck 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.