Notes about the PZL file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries
, unused processes and other unfavourable system settings to identify slowdown issues.
The PZL file type is primarily associated with 'Puzzle'. Generic name for some form of puzzle file. If a graphic then XnView may be able to open the file and display the contents.