COSF file format description

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

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

2 filename extension(s) found in our database.

.cosf - Scilab ASCII Diagram

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

Development files
- / -
Scilab ASCII Diagram related extensions:
Scilab Binary Diagram
Scilab Script
Scilab Macro Definitions
Scilab Unit Operation Model
Scilab XML Diagram

.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.

Scilab Xcos
Data files
- / -
cos, cosf
Scilab Xcos Diagram Data related extensions:
FairUse Wizard Data File
ArchiCAD Slab Properties
TBK Tracker Catalog Data
Camtasia Studio Template
MemMaker Status Information File
Review QuickChart Chart Data

Naturally, other applications may also use the .cosf file extension. Even harmful programs can create .cosf files. Be especially cautious with .cosf files coming from an unknown source!

Can't open a .cosf 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 a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .cosf 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. By providing this list, we aim to assist users in finding the correct information more easily and improving their overall search experience on our site.

These misspellings were the most common in the past year:

cof, cos, csf, osf

Is it possible that the filename extension is misspelled?

There is a possibility that the .cosf 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 .cosf:

OpenText Content Sealed Format Document
Adobe InDesign Color Settings
Diablo 2 COF Animation Data
Cal3D Binary Skeleton Data
Informative Graphics Content Sealed Format Document
Capture One Settings

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 have useful information about the .cosf file format, then write to us! >> COSF file