How do I edit the Visual Studio templates for new C# class/interface?

2022

Visual Studio 2022 is now a 64bit process so its location has changed to using Program Files instead.

%ProgramFiles%\Microsoft Visual Studio\<year>\<edition>\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.cs

Year Edition Absolute path
2022 Community %ProgramFiles%\Microsoft Visual Studio\2022\Community\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs
Enterprise %ProgramFiles%\Microsoft Visual Studio\2022\Enterprise\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs
Professional %ProgramFiles%\Microsoft Visual Studio\2022\Professional\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs

2017 through 2019

Visual Studio 2017 changed the directory location to use release year instead of its internal version number, and is additionally dependent on your edition (Professional/Enterprise/etc.):

%ProgramFiles(x86)%\Microsoft Visual Studio <year>\<edition>\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.cs

Year Edition Absolute path
2019 Community %ProgramFiles(x86)%\Microsoft Visual Studio 2019\Community\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs
Enterprise %ProgramFiles(x86)%\Microsoft Visual Studio 2019\Enterprise\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs
Professional %ProgramFiles(x86)%\Microsoft Visual Studio 2019\Professional\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs
2017 Community %ProgramFiles(x86)%\Microsoft Visual Studio 2017\Community\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs
Enterprise %ProgramFiles(x86)%\Microsoft Visual Studio 2017\Enterprise\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs
Professional %ProgramFiles(x86)%\Microsoft Visual Studio 2017\Professional\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class\Class.cs

2012 through 2015

Starting with VS 2012, the templates are not zipped, so you can edit each .cs template in each applicable folder directly.

%ProgramFiles(x86)%\Microsoft Visual Studio <version>\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.cs

Year Version Absolute path
2015 14.0 %ProgramFiles(x86)%\Microsoft Visual Studio 14.0\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.cs
2013 12.0 %ProgramFiles(x86)%\Microsoft Visual Studio 12.0\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.cs
2012 11.0 %ProgramFiles(x86)%\Microsoft Visual Studio 11.0\Common7\IDE\ItemTemplates\CSharp\1033\Class.cs

2010 and older

Extract, edit and recompress the ZIP file. Paths are for the class template, but interface templates are in the same folder.

You may want to edit the VS template file in each to remove the fact that they don’t automatically add references to the assemblies System, System.Data and/or System.Xml.

%ProgramFiles(x86)%\Microsoft Visual Studio <version>\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.zip

Year Version Absolute path
2010 10.0 %ProgramFiles(x86)%\Microsoft Visual Studio 10.0\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.zip
2008 9.0 %ProgramFiles(x86)%\Microsoft Visual Studio 9.0\Common7\IDE\ItemTemplates\CSharp\Code\1033\Class.zip
2005 8 %ProgramFiles(x86)%\Microsoft Visual Studio 8\Common7\IDE\ItemTemplates\CSharp\1033\Class.zip

Notes

Express Editions

In Express Editions you will have to search in the subdirectory WDExpress inside the IDE folder, so e.g. for VS 2015 Express:

%ProgramFiles(x86)%\Microsoft Visual Studio 14.0\Common7\IDE\WDExpress\ItemTemplates\CSharp\Code\1033\Class\Class.cs

Other Languages

If you don’t use the English version of Visual Studio, the folder 1033 may not exist, but a different number representing your language. For example it is 1031 in a German installation.

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