What is .CS file extension?
Source code file written in C# (pronounced "C Sharp"), an object-oriented programming language created by Microsoft for use with the .NET Framework; used for developing a range of applications, from simple desktop programs to applications for distributed environments.
CS files are often edited with Visual C#, a component of Microsoft Visual Studio. But, they can also be edited with a variety of other source code editors that feature syntax highlighting as well.
NOTE: When C# programs are compiled, they can then be run by the Common Language Runtime (CLR), which is included with the .NET Framework.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.