User Help > Grouping Files Under Version Control > Adding a Configuration Management Project
  
Adding a Configuration Management Project
CLI EQUIVALENT 
si addproject
You can add the following:
a dropped project that still resides on the server (in the repository)
an existing subproject as a top-level project
To add a project, click Project > Add.
If you need to restore a project from a backup or a dropped project from an older version of Windchill RV&S (or Configuration Management), use the Import Project command.