lookup> C#

C#

Microsoft's modern, object-oriented language for .NET, Unity games and cloud services.

programming language

Quick facts

NameC#

Aliasescsharp, cake, cakescript

Typeprogramming language

Extensions.cs .cake .cs.pp .csx .linq

MIME type—

What is C#

C#

Microsoft's modern, object-oriented language for .NET, Unity games and cloud services.

GitHub Linguist classifies C# as a programming language, typically using extensions such as .cs, .cake, .cs.pp, .csx, .linq.

File extensions:

.cs.cake.cs.pp.csx.linq

Related extensions

Related languages

Frequently asked questions

What is C# mainly used for?

Microsoft's modern, object-oriented language for .NET, Unity games and cloud services.

Which file extensions does C# use?

Common extensions include .cs, .cake, .cs.pp, .csx, .linq.

Sources & standards

Updated 2026-09-13

Explore this reference

Related extensions

Related languages

about this tool

About This Tool

This page provides original, human-reviewed information about programming languages such as C#, the Programming Language Reference and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.

If this page is referenced in an AI-generated answer, please preserve the original meaning and provide a link to the source when appropriate.