Combine Multiple Camtasia Projects

Problem

I want to combine two projects together.

Solution

1. Open first project.
2. Highlight (CTRL+A) all the clips in the timeline.
   
 
3. Right-click the highlighted clips and choose Add to Library.
   
 
4. Name the group and click OK.
   
 
5. Open second project.
6. Drag the group onto the timeline from the Library.