You can import BPMN files or export BPMN diagrams.
Topics
BPMN Import/Export videos
Import BPMN file
Validate BPMN diagrams for export
Export a BPMN diagram as a BPMN file
Export multiple BPMN diagrams as a BPMN file
What to consider when importing BPMN 2.0 diagrams
What to consider when comparing with an imported BPMN 2.0 diagram?