- A list of projects that are to be loaded into visual studio
- The Target Framework version for the solution
- The Default language for the solution
- A list of project dependencies
- Source control information
- A List of add-ins that are available
Another File is Solution user options file and it is binary file which contain user settings and specific for every developer like
- The Task List
- Dubugger break points and watch window settings
- Visual Studio Window Locations
