CLSJ file format description

Many people share .clsj files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .clsj file can be edited, converted or printed with. On this page, we try to provide assistance for handling .clsj files.

1 filename extension(s) found in our database.

.clsj - CyberLink PowerDVD Data

The CLSJ data files are related to CyberLink PowerDVD. The 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.

CyberLink PowerDVD
Data files
- / -
CyberLink PowerDVD Data related extensions:
Cubase Part Data
NeroMIX SPR Data
Moho Action Data
Grapher Template
Haydee Web Server Module Template

Naturally, other applications may also use the .clsj file extension. Even harmful programs can create .clsj files. Be especially cautious with .clsj files coming from an unknown source!

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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

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?

Similar file extensions in our database:

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

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you have useful information about the .clsj file format, then write to us! >> CLSJ file