CKS file format description

Many people often share .cks files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .cks files. To address this issue, we have created this page to offer assistance and guidance on handling .cks files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .cks files.

Our aim is to simplify the process and promote seamless use of the .cks file format.

3 filename extension(s) found in our database.

.cks - Windows CE ROM Image Checksum

The CKS other files are related to Windows CE Updater. The CKS file is a Windows CE ROM Image Checksum.

Application:Windows CE Updater
Category:Other files
Magic:- / -

Windows CE ROM Image Checksum related extensions:

  • ijc JavaCard Applet
  • fnd Windows XP Saved Search
  • fgw FORUM8 GIS Workspace Data
  • asd Lotus 1-2-3 Screen Driver
  • radiumkey2 Radium 2 License Key Data
  • hdv SmartWare Hardware Driver

.cks - Cricket Audio Stream

The CKS audio files are related to Cricket Audio. The CKS file is a Cricket Audio Stream. Cricket Audio is a software library that makes it easy for mobile developers to add sound to games and other apps on iOS, Android, Windows Phone 8, OS X, Windows, and Linux.

Application:Cricket Audio
Category:Audio files
Magic:- / -

Cricket Audio Stream related extensions:

  • mgu Band-in-a-Box Song
  • eov Epson Voice Creation Tool Voice Data
  • nsf NES Audio Data
  • wa WavArc Compressed Audio
  • prlgunit Korg Prologue Unit
  • kar MIDI Karaoke Song

.cks - PSI-BLAST Checkpoint Sequence Data

The CKS data files are related to PSI-BLAST. The CKS file is a PSI-BLAST Checkpoint Sequence Data. PSI-BLAST is a widely-used extension to BLAST that permits iterative searching, and is particularly good at finding distant relationships.

Category:Data files
Magic:- / -

PSI-BLAST Checkpoint Sequence Data related extensions:

  • ckp PSI-BLAST Checkpoint Profile Data

Be careful.

It is important to understand that the .cks file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .cks extension to create files. This includes potentially harmful programs or malware that may generate .cks files for various purposes. Be especially cautious with .cks files coming from untrusted or unknown sources.

Can't open a .cks file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize an extension, you receive the following message:

Select an app to open this .cks file

To set the .cks file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .cks file association. Many applications can open .cks files without requiring any specific file association to be set.

The .cks file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

cjs, ck, ck5, ckw, ckx, ckz, cls, cms, cos, cs, csk, cus, dks, kcs, ks

Is it possible that the filename extension is misspelled?

There is a possibility that the .cks filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .cks:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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If you find the information on this .cks page useful, please feel free to link to this page. >> CKS file