KEY is Apple’s presentation format with cinematic transitions, themes, collaboration. In 2026, favored for Mac/iOS users in creative fields. Export to PPTX/PDF for Windows sharing.
As part of the document category, this format is highly optimized for its specific use case. Whether you are using it for professional or personal tasks, understanding how to handle .key files is essential for efficient digital workflows.
Open in Keynote. Export to PPTX for cross-platform.