CNC

I'm using all tree trial versions from today, and seems I can only save with the file extension "Affinity". How do I save a photo in another format, eg a Jpg, bitmap, svg? Am I able to use the same license on my PC and laptop? Lastly. The 50% offer is on at the moment, will it be still available at the end of the evaluation period or when is it due to end? Regards M