A Morph Animation is defined as an Animation that is driven by Morph Targets (Mesh shape changes) as opposed to a change in the position of the Skeleton. To learn more about how to build Morphs and how to build Animations using Morphs, please consult the
Morph Targets Tutorial
Avatar Morph Animation Tutorial
Furniture Morph Animation Tutorial.
Exporting a Morph .xpf file is easy. First, select the Parent Mesh. The Parent Mesh is the one that is Weighted to the Skeleton in the 3D file.
With the Parent Mesh selected, choose to Export in the file menu. In the 'Save as type' drop down, choose the Cal3D MorphAnimation File (*.CPF, *.XPF).
In the Cal3D Export panel that appears, you are prompted to review the timing information that is about to be applied to your XPF file. I have never witnessed this information to be incorrect *but* it is always a good idea to review before hitting the OK button. Here's what you want to keep an eye out for: