When you insert a subproject, a small Project icon distinguishes it from summary tasks that are part of the master project. Projects inserted into a master project are called subprojects. Think of a master project as a collection of consolidated projects that show a hierarchy among multiple related projects.
How resources are affected when you combine files
Work with subprojects in a master project You can have more control over your project by creating smaller projects in Project and then linking them into a single Project file to show where they fit in your master project. Before you know it, a simple building project becomes a collage of smaller projects, such as design, excavation, foundation work, and marketing.
