CS File - opening and understanding

Did your computer fail to open a CS file? We explain what they are used for and recommend software that we know can open or otherwise handle your .CS files.

What is a CS file?

Files that contain the .cs file extension are files that contain source code. The source code in a .cs file has been written in the C# or C# .NET programming language.

C# is a programming language that is used to create a variety of .NET Framework applications. It is commonly created with the Microsoft Visual C# toolset. This toolset can be used to create XML services for .NET connected applications. The CS files are usually compiled by a csc.exe file.

The types of source code code that a CS file can contain may include source code for console applications, library files and GUI applications.

How to open CS files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension CS for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different CS openers which you will find listed below.

Suggest another file format using extension CS

While we know of one file format using the .CS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .CS file.

Various viewers for this file format

These apps are known to open certain types of CS files. Remember, different programs may use CS files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Microsoft Web Platform ExtensionsMicrosoft Web Platform ExtensionsUser submitted
Stuffit ExpanderStuffit ExpanderUser submitted
Any Video Converter ProfessionalAny Video Converter ProfessionalUser submitted
Edge Code CCEdge Code CCUser submitted
Microsoft Visual Studio .NETMicrosoft Visual Studio .NETUser submitted
BracketsBracketsUser submitted
Xamarin StudioXamarin StudioUser submitted
Flash Movie PlayerFlash Movie PlayerUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
Microsoft Visual Studio CodeMicrosoft Visual Studio CodeUser submitted
We have not verified any software that we know for certain will work with CS-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with CS-files. If you know one, please use the 'Suggest a program' link below and tell us about it!