Files with dzk file extension can be found as font libraries for AMP Display flat display panels.
DZK file extension - AMP font library
What is dzk file? How to open dzk files?
File type specification:
The dzk file extension is mainly related to a special font file for flat panel displays.
It looks like these files are generated by a Font generator program from a program provided by AMP Display Inc., a major provider of flat display panel technology.