You can copy and paste one or more activities or groups (or a mix of them) within the same project or to a different project.
Step 1: Select activities and/or groups:
Click on one activity or group (each called an element)
Select multiple elements by
Pressing Ctrl + drawing a box around them with the left mouse click
Press Ctrl + Click more elements
Step 2: Copy the elements:
You can copy these selected elements by pressing Ctrl+C (Cmd+C on Mac).
Alternatively, you can use the context menu popup and press Copy.
Step 3: Paste the elements:
You can now navigate to any other portion of the project or open a new project.
Press Ctrl+V (Cmd+V on Mac) to paste these elements
You can also right-click on an empty spot in the Canvas and click on Paste Elements
What properties get copied?
Activity and Droup names
Duration and Calendar
Relationships with lags of all elements inside the selection box
Labor and Equipment
Custom codes (within the same project)
PRO TIP:
You can create a project called "Recipes". Create a number of small networks that you repeatedly use across your company. Then you can quickly copy from that "Recipes" project and paste it into other projects.