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.cls File Extension

File Type 1LaTeX Document Class File

Developer N/A
Category Miscellaneous Files
File Format Text

.CLS Type 1

File written in LaTeX, a document markup language often used for typesetting academic papers; stores a class with a predefined typeset configuration that can be imported into a .TEX document; used for storing templates for articles, forms, and other types of documents.

More Information

Class files help users generate documents with the same style and structure. For example, a scientific journal publisher may distribute a CLS file to submitting authors so that all articles appear the same in the publication.

LaTeX software installations typically include some CLS files that can be used as document templates.

Programs that open CLS files

Windows
MiKTeX
TeXworks
proTeXt
TeXnicCenter
Texmaker
Linux
TeXworks
Texmaker
Macintosh
TeXworks
LyxMac
Texmaker
TeXShop

File Type 2Program Class File

Developer N/A
Category Developer files
File Format N/A

.CLS Type 2

Contains "objects" referenced by the source code of one or more programs in a software programming project; may define functions, variables, or various data types.

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Saved within a Visual Basic Project (.VBP file), but often saved as a separate file during program development. Compiled into the program during the software compilation process.

Programs that open CLS files
Windows
Microsoft Visual Studio

About CLS Files

Our goal is to explain what .cls file is used for for and how to open it.

File Program Class File usage cases for Mac, Windows, Linux, Android, and iOS software listed on this page have been individually researched and verified using the FilesWiki team. We strive for 100% accuracy and only publish information about file formats that we have tested and verified.