C1S file icon

C1S File Extension

Photo Cache

What is C1S file?

C1S filename suffix is mostly used for Photo Cache files. C1S file format is compatible with software that can be installed on Windows system platform. C1S file format, along with 6033 other file formats, belongs to the Misc Files category. The most popular software that supports C1S files is Capture One. Software named Capture One was created by Phase One A/S. In order to find more detailed information on the software and C1S files, check the developer’s official website.

Programs which support C1S file extension

The following listing features C1S-compatible programs. Files with C1S 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 C1S file

How to open file with C1S extension?

Problems with accessing C1S may be due to various reasons. What is important, all common issues related to files with C1S extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Capture One software

Install software to open C1S file Problems with opening and working with C1S files are most probably having to do with no proper software compatible with C1S files being present on your machine. The solution to this problem is very simple. Download Capture One and install it on your device. Above you will find a complete listing of programs that support C1S files, classified according to system platforms for which they are available. If you want to download Capture One installer in the most secured manner, we suggest you visit Phase One A/S website and download from their official repositories.

Step 2. Check the version of Capture One and update if needed

Update software that support file extension C1SIf you already have Capture One installed on your systems and C1S files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why C1S files are not compatible with Capture One. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Capture One.

Step 3. Set the default application to open C1S files to Capture One

If you have the latest version of Capture One installed and the problem persists, select it as the default program to be used to manage C1S on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with C1S file on Windows

The procedure to change the default program in Windows

  • Right-click the C1S file and choose Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Capture One is installed. Now all that is left is to confirm your choice by selecting Always use this app to open C1S files and clicking OK.
Associate software with C1S file on Mac

The procedure to change the default program in Mac OS

  • Right-click the C1S file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select the appropriate software and save your settings by clicking Change all
  • If you followed the previous steps a message should appear: This change will be applied to all files with C1S extension. Next, click the Continue button to finalize the process.

Step 4. Check the C1S for errors

Should the problem still occur after following steps 1-3, check if the C1S file is valid. It is probable that the file is corrupted and thus cannot be accessed.

Check C1S file for viruses
1. Verify that the C1S in question is not infected with a computer virus

Should it happed that the C1S is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the C1S file is indeed infected follow the instructions below.

2. Ensure the file with C1S extension is complete and error-free

Did you receive the C1S file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with C1S extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Some files require elevated access rights to open them. Log in using an administrative account and see If this solves the problem.

4. Make sure that the system has sufficient resources to run Capture One

The operating systems may note enough free resources to run the application that support C1S files. Close all running programs and try opening the C1S file.

5. Ensure that you have the latest drivers and system updates and patches installed

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Photo Cache files. It may be the case that the C1S files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the C1S 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 C1S file.

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