The .csproj file contains the project files, references, settings to build the project. When starting a project Visual Studio creates the .csproj and .sln files. The .sln file organizes the projects. ...
The .csproj file contains the project files, references, settings to build the project. When starting a project Visual Studio creates the .csproj and .sln files. The .sln file organizes the projects. To build the project a developer runs MSBuild.exe with the .csproj file.
Files with .csproj extension store C# projects. Visual Studio supports these files. The file has the project contents and assembly references to build it. When starting a new project Visual Studio makes the .csproj and .sln files. If multiple assemblies, then multiple .csproj files.
The .csproj file is for Visual C#. It stores a C# project. You can view it in a text editor or Visual Studio. You cannot convert it to other formats.
The ContactManager.Mvc.csproj file has item groups and references. The references are to system assemblies.
The .csproj extension is for C# projects in Visual Studio. It has the project contents and assemblies to build it. Visual Studio makes it when starting a new project.
You can view .csproj files in text editors or Visual Studio. You cannot convert them to other formats. Microsoft developed the file type for Visual Studio.
Microsoft Visual Studio
JetBrains Rider
MonoDevelop