Default autoplay level

If this policy is enabled, you can choose the default autoplay level.

If this policy is disabled or not configured, audio is blocked by default.

Note: Blocking audio and video does not work on the ESR.

Supported on: Firefox 76 or later, Firefox 68.8 ESR or later



  1. Allow Audio and Video
    Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
    Registry PathSoftware\Policies\Mozilla\Firefox\Permissions\Autoplay
    Value NameDefault
    Value TypeREG_SZ
    Valueallow-audio-video
  2. Block Audio
    Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
    Registry PathSoftware\Policies\Mozilla\Firefox\Permissions\Autoplay
    Value NameDefault
    Value TypeREG_SZ
    Valueblock-audio
  3. Block Audio and Video
    Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
    Registry PathSoftware\Policies\Mozilla\Firefox\Permissions\Autoplay
    Value NameDefault
    Value TypeREG_SZ
    Valueblock-audio-video


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