.SLN File Extension

SLN File Extension/File Type

Files that end with .sln file extension refers to the solution file for Microsoft Visual Basic project. This file is located in the project root folder where the source code is located. It is actually a text-based shared configuration file for organizing the project working state for a VSPackage. Every existing VSProject contains an SLN file in the root source code directory. In general, it is automatically saved as ProjectName.sln as the project name.

Although SLN files are text-based file but also it contains structured text data. The entire files are created with preSolution, project, and postSolution processing data by defining three tags called Project, Global, and GlobalSection. Each tag end with gradually EndGlobal and EndGlobalSection. Under the three tags, other data being processed such as project name, project id, etc.

Example of .SLN File

See the example of a Microsoft Visual Basic project solution file to figure out how the file is formatted.

Project("{A07-..***id}") = "example", "example.phpproj", "{...***id}"
	GlobalSection(SolutionConfigurationPlatforms) = preSolution
		Debug|Any CPU = Debug|Any CPU
		Release|Any CPU = Release|Any CPU
	GlobalSection(ProjectConfigurationPlatforms) = postSolution
		{...*****id}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
		{...****id}.Debug|Any CPU.Build.0 = Debug|Any CPU
	GlobalSection(SolutionProperties) = preSolution
		HideSolutionNode = FALSE

More information

Opening an existing project call the method ReadSolutionProps to read the current state of the project.
Saving a current working project call SaveSolutionProps to save the latest activity of the solution.
Working on a project repeatedly call WriteSolutionProps method to write the new rule in the file

Name Description
File Extension example.sln, *VSProject.sln
File Type

Text file

File Category Binary file
Developer Microsoft
Status Active in Visual Studio
Related Extension .BVG File Extension

How to Open SLN Files

SLN files are plain structured text file that contains formatted plain text understand by Microsoft Visual Basic to read the current state of an existing project by Visual Basic itself. But if you want to read .sln file visually then you can open the file using any advanced plain text editor like notepad++, atom or use direct IDE Visual Basic.