How to open .RZK file extension?

If you cannot open a new file that has been saved in the .RZK format you need to download the appropriate software. The manufacturer of .RZK files is Red Zion; .RZK files belong to the Text Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .RZK files. Activities performed in the order described should solve the problems with all the files in the .RZK format.