Supported image formats
There is no support for .gif files (or animated GIFs).
Supported video formats
This covers almost all the most commonly used media formats.
Supported audio formats
Default media formats
For media created within Book Creator - these are the media formats we use:
Photos taken with the camera: .png
Videos taken with the camera: .m4v
Audio created when recording your voice: .m4a
Images created with the pen tool: .png