Notable features of MS Project
Multiproject approach

When you link one project to another by creating dependencies between tasks in those projects, you are not necessarily combining two projects into one. You can manage or monitor two separate projects from one location.

For example, your master project is the construction of an airplane. Your facility cannot attach the wings (a task in the master project) until another facility builds the wings (an entire project). Other tasks in the other project may also be beyond your control.

You can link the "wing building" project to your...