Apple Final Cut Pro 6 - Manual (Page 421)

88 Part II Rough Editing
Copying a Sequence into Another Project
If you have more than one project file open in the Browser, you can copy a sequence
from one project and paste it into another project.
To copy a sequence from one project into another:
1 Select the sequence in the Browser.
2 Choose Edit > Copy (or press Command-C).
3 Open a new project and select its tab in the Browser.
4 Choose Edit > Paste (or press Command-V).
You can also copy a sequence into another project window by dragging.
To copy a sequence from one project to another by dragging:
1 Open the second project.
This project appears as another tab in the Browser.
2 Tear away the second project tab in the Browser to make it its own window.
3 Drag the sequence from the Browser in the second project window to the Browser in
the first project.
The copied sequence appears in your first project.