There is only one file type that uses the .PDC extension:
Lizard Safeguard Secure PDF File
Copy-protected .PDF file encrypted with Lizard Safeguard PDF security software; protects the PDF document from unauthorized viewing, copying, sharing, modifying, screen grabbing, and printing.
PDC files are secured using AES 256-bit encryption, DRM controls, and a real-time Web-based licensing system. They can only be opened by authorized users.
|LockLizard Safeguard PDF Writer or Secure PDF Viewer|
|LockLizard Secure PDF Viewer|
Updated: May 11, 2008