What is a solution in Visual Studio and what file extension does it have?

Experience Level: Junior
Tags: C#


  • In Visual Studio a solution is a container for one or more related projects.
  • When you build a complex application, it can consist of multiple projects. The solution keeps all the projects together.
  • The solution is described by  a text file that has extension .sln.
  • The solution contains various settings that are used by the projects.
  • The solution .sln file is a text file that can be opened and modified by Visual Studio. It shouldn't be edited by hand unless you really need to do it.


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