JPN file extension
The table below provides useful information about the .jpn file extension. It answers questions such as:
- What is the .jpn file?
- What program do I need to open a .jpn file?
- How can the .jpn file be opened, edited or printed?
- How can I convert .jpn files to another format?
Table of Contents
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3 extension(s) and 0 alias(es) found in database
✅ Windows Japanese Noise-word List

The JPN file is a Windows Japanese Noise-word List. You can configure Windows Indexing Service to use noise word lists for specific languages. Indexing Service uses these lists when it invokes a word breaker for that language. Noise words, also known as stop words, are words that are not significant indicators for content.
✅ PhotoModeler Lite Data

The JPN file is a PhotoModeler Lite Data. PhotoModeler Lite is a freeware program for creating 3D models of real-world objects and scenes through the use of photographs.
✅ Unreal Engine Japanese Language Data

The JPN file is an Unreal Engine Japanese Language Data. The Unreal Engine is a widely-used game engine developed by Epic Games.
Other types of files may also use the .jpn file extension.
🚫 The .jpn file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .jpn file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.jpn
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .jpn file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
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