A daily updated filename extension database!

CLSJ file extension

The table below provides useful information about the .clsj file extension. It answers questions such as:

  • What is the .clsj file?
  • What program do I need to open a .clsj file?
  • How can the .clsj file be opened, edited or printed?
  • How can I convert .clsj files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ CyberLink PowerDVD Data

CLSJ file is a CyberLink PowerDVD Data. CyberLink PowerDVD is a media player for Microsoft Windows providing DVD playback, with Blu-ray playback available in higher editions.
CLSJ format description not yet available
Category: Data files
Application: CyberLink PowerDVD
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CLSJ aliases:
CLSJ related links:
CLSJ related extensions:
CyberLink PowerDVD Playlist

CyberLink PowerDVD Data

CyberLink PowerDVD Settings Data

Other types of files may also use the .clsj file extension.

🚫 The .clsj file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

clj, cljs, cls, csj

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Java Class Data
CLASS Group Abbreviation
Visual Basic Class Module
ArcInfo Geocoding Classification Data
Clojure Source Code
ClojureScript Source Code
BlackBerry Code Signing Data

🔴 Can't open a .clsj 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:


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 .clsj 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.

If you have helpful information about the .clsj file extension, write to us!

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