CSL file icon

CSL File Extension

CineStyle Color Lookup Format
  • Developer
    Technicolor
  • Category
  • Popularity
    2.4 (5 votes)

What is CSL file?

CSL filename suffix is mostly used for CineStyle Color Lookup Format files. CineStyle Color Lookup Format specification was created by Technicolor. Files with CSL extension may be used by programs distributed for Windows platform. CSL file format, along with 1326 other file formats, belongs to the Data Files category. CineStyle Color Assist supports CSL files and is the most frequently used program to handle such files, yet 1 other tools may also be used.

Programs which support CSL file extension

The following listing features CSL-compatible programs. Files with CSL suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support CSL file

How to open file with CSL extension?

There can be multiple causes why you have problems with opening CSL files on given system. On the bright side, the most encountered issues pertaining to CineStyle Color Lookup Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install CineStyle Color Assist

Install software to open CSL file The main and most frequent cause precluding users form opening CSL files is that no program that can handle CSL files is installed on user’s system. The most obvious solution is to download and install CineStyle Color Assist or one to the listed programs: CorelDRAW. The full list of programs grouped by operating systems can be found above. The safest method of downloading CineStyle Color Assist installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Check the version of CineStyle Color Assist and update if needed

Update software that support file extension CSLIf the problems with opening CSL files still occur even after installing CineStyle Color Assist, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of CineStyle Color Assist is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why CSL files are not compatible with CineStyle Color Assist. The most recent version of CineStyle Color Assist is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign CineStyle Color Assist to CSL files

After installing CineStyle Color Assist (the most recent version) make sure that it is set as the default application to open CSL files. The method is quite simple and varies little across operating systems.

Associate software with CSL file on Windows

Selecting the first-choice application in Windows

  • Clicking the CSL with right mouse button will bring a menu from which you should select the Open with option
  • Select Choose another app → More apps
  • Finally select Look for another app on this PC, point to the folder where CineStyle Color Assist is installed, check the Always use this app to open CSL files box and conform your selection by clicking OK button
Associate software with CSL file on Mac

Selecting the first-choice application in Mac OS

  • By clicking right mouse button on the selected CSL file open the file menu and choose Information
  • Find the Open with option – click the title if its hidden
  • Select CineStyle Color Assist and click Change for all...
  • A message window should appear informing that This change will be applied to all files with CSL extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the CSL file is complete and free of errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the CSL file in question. It is probable that the file is corrupted and thus cannot be accessed.

Check CSL file for viruses
1. The CSL may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the CSL is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. CSL file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with CSL extension is complete and error-free

If you obtained the problematic CSL file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with CSL extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle CineStyle Color Assist

If the systems has insufficient resources to open CSL files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with CineStyle Color Lookup Format files. It is possible that one of the available system or driver updates may solve the problems with CSL files affecting older versions of given software.

Do you want to help?

If you have additional information about the CSL file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on CSL file.

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