There are 2 other file types using
the COS file extension!

empty icon.cos - Creatures source code

empty icon.cos - Scarlett Expert System Compiler query file

Detailed description

Software that works with cos file extension

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COS file extension - Capture One configuration file

What is cos file? How to open cos files?

File type specification:

Configuration file type icon Configuration file type

The COS file extension is associated with the Capture One digital photo manager and professional photo editor for Mac and Windows. The .cos file contains temporary configuration/changes for edited pictures.

The default software associated to cos file type:

Capture One icon

Phase One A/S logoCapture One  Microsoft Windows software

Company or developer:
Phase One A/S

Capture One is professional raw converter and image editing software that is able to capture, edit, organize and share digital photo images.

Help how to open COS files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension COS:

As far as we know, this .cos file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .cos file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open cos file, edit cos file, convert cos file, view cos file, play cos file etc. (if exist software for corresponding action in's database).

  • Settings cos file

Settings file type for software that use cos file - Capture One configuration file

Click on the link to get more information about Capture One for settings cos file action.

Microsoft Windows:

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CONFIG file extension > Configuration file types

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