Sound is off when opening in some browsers

When I open my education in some browsers the default mode is that the sound is down to none on the soundscale. Why is that and is there any adjustment I can do before I export the file to HTML5?

Hi Emelie,

Some browsers don’t allow playing sound automatically without user’s interaction. That’s why this problem happens. The common way is inserting a Start button in the first slide so learn will click on it to start.
You can find more detailed technical information at


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Great, thank you! Good idea to come around the problem.