k12

K12 extension stands for Education domain. You have chance to open these files with Internet Explorer and Firefox.

For reaching domain names which for internet web pages, com, net or org kind of extensions should be used. All the extensions have different meanings.  

example:
com: communication
net: network
org: oganisation
k12 is a domain name for the first and secondary schools.

What to use k12

internet explorer, firefox

which page related to k12 file

www.opera.com
www.google.com/chrome‎
https://www.mozilla.org/firefox

k12 Related Searches

You can check related links about k12 fileextension.