A project contains all of the code files, settings, images, references and configuration settings required for it to compile and peform its function. A C# project file can be identified by the file extension .csproj
It is possible to create different types of projects with C#. Windows console, Windows forms, Windows services, Windows presentation foundation (WPF), Class libraries, Web sites and web services. This isnt an exhaustive list and there are also other more specialised project types. There are a few ways to open a project.
Method 1. Go to the folder that contains the project and double click on the project file. Visual studio will open and load the project.
Method 2. Open Visual studio and select the option to open a project or solution. Go to the folder that contains the project and click open.