COS file format description

Many people often share .cos 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 .cos files. To address this issue, we have created this page to offer assistance and guidance on handling .cos files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .cos files.

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

5 filename extension(s) found in our database.

.cos - Capture One Settings

The COS configuration files are related to Capture One. The COS file is a Capture One Settings. Capture One is a raw converter and photo editor that supports raw formats from more than 250 cameras and digital backs.

Application:Capture One
Category:Configuration files
Magic:- / -

Capture One Settings related extensions:

  • moog Moog Configuration
  • sasf Android Settings of Accessibility Data
  • aren Advanced Renamer Presets Data
  • hsg HAHTsite Site Configuration for AS Group
  • properties HSQLDB Configuration
  • xlaunch XLaunch Session Data

.cos - Scilab Binary Diagram

The COS development files are related to Scilab. The COS file is a Scilab Binary Diagram. Scilab is a programming language associated with a rich collection algorithms covering many aspects of scienti c computing problems.

Category:Development files
Magic:- / -

Scilab Binary Diagram related extensions:

  • cosf Scilab ASCII Diagram
  • sce Scilab Script
  • sci Scilab Macro Definitions
  • sum Scilab Unit Operation Model
  • zcos Scilab XML Diagram

.cos - Creatures Object Source Code

The COS game data files are related to Creatures. The COS file is a Creatures Object Source Code. Creatures is an artificial life (alife) video game.

Category:Game Data files
Magic:- / -

Creatures Object Source Code related extensions:

  • cob Creatures Compiled Object
  • sfc Creatures Saved Game

.cos - Scarlett Expert System Compiler Query Data

The COS development files are related to Scarlett Expert System Compiler. The COS file is a Scarlett Expert System Compiler Query Data. The Scarlett Expert System Compiler seems to be no longer supported.

Application:Scarlett Expert System Compiler
Category:Development files
Magic:- / -

Scarlett Expert System Compiler Query Data related extensions:

  • lbb LB Booster Program
  • nml NML Language Source Code
  • exprwdxslt Microsoft Expression Web XSLT Data
  • t Turing Source Code
  • qhc QT Help Collection
  • m BRIEF Macro Module

.zcos - Scilab Xcos Diagram Data

The ZCOS data files are related to Scilab Xcos. The ZCOS file is a Scilab Xcos Diagram Data. Xcos is a graphical editor to design hybrid dynamical systems models. Models can be designed, loaded, saved, compiled and simulated.

Application:Scilab Xcos
Category:Data files
Magic:- / -
Aliases:cos, cosf

Scilab Xcos Diagram Data related extensions:

  • fud FairUse Wizard Data File
  • spr ArchiCAD Slab Properties
  • wbx TBK Tracker Catalog Data
  • camtemplate Camtasia Studio Template
  • sts MemMaker Status Information File
  • urq Review QuickChart Chart Data

Be careful.

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

Can't open a .cos 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 .cos file

To set the .cos 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 .cos file association. Many applications can open .cos files without requiring any specific file association to be set.

The .cos 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:

cis, cks, cls, co, coc, coe, cow, cox, coz, cps, cs, cso, dos, fos, ocs

Is it possible that the filename extension is misspelled?

There is a possibility that the .cos 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 .cos:

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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