How to add an existing project to a solution

An existing project can be added to a solution. A solution is a collection of projects and dependent projects. When adding a project to a solution, the current model is not affected by the new project.

To add an existing project to a solution

1. On the File menu, click Add Project.
   
   
2. Choose the project to add from the list shown on the Existing or Recent tab.
   
   
3. To add the project to the current solution, choose Add to current solution or choose Close current solution to add a project without adding it to the current solution.
   
   
4. Click Open.

For additional information about solutions, on the Help menu click Index and then enter solution.