All about CSL Files

The CSL file type is primarily associated with CorelDRAW.

CSLFile Extension CSL
File extension: CSL
File type:  CorelDRAW symbol library

What is a CSL file?

CSL files mostly belong to CorelDRAW by Corel. CSL files are simple data files formatted using XML. CSL files store metadata which usually delineate 3D color lookup tables.

  • Main Usage: The software CineStyle Color Assist, a color correction and grading tool, uses these CineStyle Color lookup files. The CineStyle Color Assist and the extension CSL is developed by Technicolor for enhancing and supporting clip shots by DSLR cameras to improve picture quality to match cinematic experience.
  • Associations: There are various other software and programs that use CSL as an extension. They are:
    • AOL by America Online, Inc.: Here the CSL file is a Modem Script file type and is used by the program to communicate with a Modem.
    • CorelDraw Graphics Suite: Here the CSL file support the CorelDraw files that store information in the Corel Symbol Library
    • CSL is an extension for Calamus text style List files.

How can I open a CSL file?

You need a suitable software like CorelDRAW to open a CSL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your CSL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a CSL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online CSL Text Viewer

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How to extract texts from CSL files or capture a screenshot to PDF, JPG, DOCX, TXT, ...

You can extract texts from CSL file or capture a preview screenshot using our online CSL file viewer:
  1. To do so, click the "Choose your .csl file to view" button above.
  2. Your CSL file will then be displayed in the browser.
  3. Now click on "Save as..." at the top of the page.
  4. Then choose the file format (e.g. JPG, PDF, DOCX, TXT, ...) you want.
  5. Your file will be converted and downloaded.

Programs that open and convert CSL files:

  1. CorelDRAW by Corel
    See the previous paragraphs to learn more about the main application. CSL files are often referred to as CorelDRAW data files because this type of file is primarily created or used by this software.
  2. AOL (Modem Script) by America Online
  3. CineStyle (CineStyle color lookup file) by Technicolor
    CineStyle is a utility for Canon cameras that boosts the dynamic range of captured photos. The CSL file format is used to store metadata describing a 3D color lookup table used by CineStyle. This file format is classified as Settings. Related links: Video Introducing CineStyle, How to Install CineStyle on a DSLR
  4. Citation Style Language (source code file) by Bruce D’Arcus
    Citation Style Language (CSL) is an open-source XML-based language that is used for automating the formatting of citations and bibliographies. The CSL file format is the default format for data stored in the Citation Style Language (CSL). This file format is classified as Developer. Related links: Citation Style Language Repository, Citation Style Language on Wikipedia, Citation Style Language Documentation, Article on Citation Style Language
  5. TestQuest Pro (test script file) by TestQuest
    TestQuest Pro is a tool that allows developers to automate testing of embedded systems. It simulates user input and returns results from those simulations to validate designs. The CSL file is used to store a test script by TestQuest Pro. This file format is classified as Developer. Related links: News Report on TestQuest Pro, Article on TestQuest Pro, Research Paper Mentioning TestQuest Pro, Thesis Mentioning TestQuest

CSL file format:

Each file has a definite file format, that is, how the stored data is arranged in the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. Knowledge is power - this also applies when dealing with unknown or faulty files. In the following you will find our evaluation of the CSL files:

The CSL file type is a very commonly used file extension and includes different formats for the applicable programs. The file formats most commonly found in CSL files are:

The remaining 40% of all CSL files are files with no common format, often, for example, Corel Symbol Library, Source, JSON and mod. They are often associated with operators, ever, data, international, engineering, advanced, datasets, library, working, scalar, basic or ieee. Drag & drop your file here to see the file format and a preview of your CSL file!

Technical Data for CSL File Extension


The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: CodeSiteLog
EXEFile: %ProgramFiles%\Raize\CS2\Bin\CSLogViewer.exe %1

ProgramID: CodeSiteLog
EXEFile: C:\Libs\CodeSite\Bin\CSLogViewer.exe %1

ProgramID: CorelDRAW.Graphic.13
EXEFile: %ProgramFiles%\Corel\CorelDRAW Graphics Suite 13\PROGRAMS\CORELDRW.EXE -DDE

ProgramID: CorelDRAW.Graphic.14
EXEFile: %ProgramFiles%\Corel\CorelDRAW Graphics Suite X4\PROGRAMS\CORELDRW.EXE -DDE

ProgramID: CodeSiteLog
EXEFile: %ProgramFiles%\Raize\CS3\Bin\CSLogViewer.exe


a csl CorelDRAW symbol library is a special file format by Corel and should only be edited and saved with the appropriate software.

How to solve problems with CSL files

  • Associate the CSL file extension with the correct application.
  • Update your software that should actually open coreldraw symbol librarys. Because only the current version supports the latest CSL file format. Search, therefore, e.g. on the Corel manufacturer website after an available CorelDRAW update.
  • To make sure that your CSL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .CSL file online - secure, fast, and no downloads needed.
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