What is .WN file extension?
Web file used by WN, a Web server designed to protect visibility and access to server files; stores information about files served on the server; may describe .HTML files, images, and other binary files; used for specifying the content of Web files in a directory.
A WN file is compiled into the file index.cache, which is placed on the server and provides access to server files via HTTP requests.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.