There are 7 other file types using
the CLS file extension!

empty icon.cls - ArcView geocoding classification

empty icon.cls - JavaScript class definition

cls icon.cls - Microsoft Visual Basic 4 class module add-in

cls icon.cls - Microsoft Visual C++ class definition

cls icon.cls - AIM AOL Instant Messenger data

empty icon.cls - SQLite 3 data format

empty icon.cls - Java class definition

CLS file extension - LaTeX data

What is cls file? How to open cls files?

File type specification:

Various data file type icon Various data file type

The cls file extension is used by LaTex a document preparation system for high-quality typesetting.

It is most often used for medium-to-large technical or scientific documents but it can be used for almost any form of publishing.

The default software associated to open cls file:

LaTeX icon

LaTeX  Microsoft Windows software

Company or developer:
LaTeX Project Development Team

A document preparation system for high-quality typesetting, LaTeX is used to create medium-to-large technical or scientific documents but it can be used for almost any form of publishing.

Help how to open:

Use any source code editor, or text editor to view content of *.cls files.

How to convert:

Probably cannot be converted to anything else.

List of software applications associated to the .cls file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open cls file, edit cls file, convert cls file, view cls file, play cls file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting cls files.

Software that open cls file - LaTeX data

Programs supporting the exension cls on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open cls file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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