.RULESET File Extension
File TypeVisual Studio Code Analysis Rule Set File
What is a RULESET file?
Code analysis settings file created by Visual Studio, an application used to develop Windows-based programs and Web applications; contains a collection of rules for performing code analysis; used for transferring rule sets between projects.
Rule sets allow developers to define specific conditions for testing static segments of program code. This helps catch errors early in the development process.
For Visual Studio 2010, RULESET files are located in the Microsoft Visual Studio 10.0\Team Tools\Static Analysis Tools\Rule Sets\ directory.