Files with ckl file extension is related to the DISA STIG checklist format.
CKL file extension - DISA STIG checklist
What is ckl file? How to open ckl files?
File type specification:
The ckl file extension is related to the STIG (Security Technical Implementation Guides) for DOD IA and IA-enabled devices/systems, developed by DISA.
The ckl file stores checklist for DISA STIG software.
This ckl 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.