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Why can't I play midi files in firefox

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When I try to play midi files in firefox, instead of playing the audio I get a pop up box asking me if I want to open the file in quicktime. My quicktime plugin is activated.

When I try to play midi files in firefox, instead of playing the audio I get a pop up box asking me if I want to open the file in quicktime. My quicktime plugin is activated.

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I suggest you go through this archive , it contains same as your concern

https://support.mozilla.org/en-US/questions/960709

https://support.mozilla.org/en-US/questions/981602

hope it helps you