What is .JPN file extension?
.JPN file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
System file used by Index Server, a search indexing service included with the Windows operating system; contains a list of English and Japanese words that are excluded from Windows search; enables Windows to create search information more effectively, since words such as "of," "the," and "it" are excluded from the index.
A JPN file named noise.jpn is located in the C:\Windows\System32\ directory. In addition to English noise words, it also contains Japanese noise words such as ?, which means "there."
You can see a list of software programs here on easyfileopener.com 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.