File extension CLS
| File type | JavaScript Class Definition Format |
| Developer | N/A |
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What is a CLS file?
File with .CLS extension stores in text form information about typeset configuration for LaTeX document markup language. They enable users to effortlessly import document template to TEX document. Document files are imported only once on startup as instructed with the command documentclass{…}. Templates are usually a part of LaTeX installation files, but users can add custom templates. Styles work in a similar fashion and can overwrite class properties.
CLS files store general templates for basic document types such as articles/papers/publications, forms, books or reports. They help users create documents with the same style and structure. LaTeX is widely used for creating academic papers and scientific journals. Journal publishers may provide a CLS file to submitting authors to guarantee consistency of published papers.
Program(s) that can open the .CLS file
How to open CLS files
If you cannot open the CLS file on your computer - there may be several reasons. The first and most important reason (the most common) is the lack of a suitable software that supports CLS among those that are installed on your device.
A very simple way to solve this problem is to find and download the appropriate application. The first part of the task has already been done – the software supporting the CLS file can be found in the table. Now just download and install the appropriate application.
Possible problems with the CLS format files
The inability to open and operate the CLS file does not necessarily mean that you do not have an appropriate software installed on your computer. There may be other problems that also block our ability to operate the JavaScript Class Definition Format file. Below is a list of possible problems.
- Corruption of a CLS file which is being opened
- Incorrect links to the CLS file in registry entries.
- Accidental deletion of the description of the CLS from the Windows registry
- Incomplete installation of an application that supports the CLS format
- The CLS file which is being opened is infected with an undesirable malware.
- The computer does not have enough hardware resources to cope with the opening of the CLS file.
- Drivers of equipment used by the computer to open a CLS file are out of date.
If you are sure that all of these reasons do not exist in your case (or have already been eliminated), the CLS file should operate with your programs without any problem. If the problem with the CLS file has not been solved, it may be due to the fact that in this case there is also another rare problem with the CLS file. In this case, the only you can do is to ask for assistance of a professional staff.
Similar extensions
| .aawdef | Ad-Aware Definitions Format |
| .abr | Adobe Photoshop Brush Format |
| .ac$ | AutoCAD Undo Info Format |
| .acc | DR DOS - ViewMax Format |
| .acl | Microsoft Office Automatic Correction List |
| .acs | Microsoft Agent Character Structured Storage Format |
| .ad | After Dark Screen Saver Format |
| .add | Microsoft Dynamics AX Developer Documentation Format |
How to associate the file with an installed software?
If you want to associate a file with a new program (e.g. my-file.CLS) you have two ways to do it. The first and the easiest one is to right-click on the selected CLS file. From the drop-down menu select "Choose default program", then click "Browse" and find the desired program. The whole operation must be confirmed by clicking OK. The second and more difficult to do is associate the CLS file extension to the corresponding software in the Windows Registry.
Is there one way to open unknown files?
Many files contain only simple text data. It is possible that while opening unknown files (e.g. CLS) with a simple text editor like Windows Notepad will allow us to see some of the data encoded in the file. This method allows you to preview the contents of many files, but probably not in such a structure as a program dedicated to support them.