Extensions

Control the installation, uninstallation and locking of extensions.

Compatibility

Firefox	Firefox ESR	Firefox Enterprise
Available since 60	Available since 60	Not supported

CCK2 Equivalent: addons
OMA-URI: Extensions
Preferences Affected: N/A

Examples

{
  "policies": {
    "Extensions": {
      "Install": [
        "https://addons.mozilla.org/firefox/downloads/somefile.xpi",
        "//path/to/xpi"
      ],
      "Uninstall": [
        "bad_addon_id@mozilla.org"
      ],
      "Locked": [
        "addon_id@mozilla.org"
      ]
    }
  }
}

JSON schema

{
  "type": "object",
  "properties": {
    "Install": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "Uninstall": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "Locked": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  }
}

Values

Install is a list of URLs or native paths for extensions to be installed.
Uninstall is a list of extension IDs that should be uninstalled if found.
Locked is a list of extension IDs that the user cannot disable or uninstall.

Windows (GPO)

Software\Policies\Mozilla\Firefox\Extensions\Install\1 = "https://addons.mozilla.org/firefox/downloads/somefile.xpi"
Software\Policies\Mozilla\Firefox\Extensions\Install\2 = "//path/to/xpi"
Software\Policies\Mozilla\Firefox\Extensions\Uninstall\1 = "bad_addon_id@mozilla.org"
Software\Policies\Mozilla\Firefox\Extensions\Locked\1 = "addon_id@mozilla.org"

macOS

<dict>
  <key>Extensions</key>
  <dict>
    <key>Install</key>
    <array>
      <string>https://addons.mozilla.org/firefox/downloads/somefile.xpi</string>
      <string>//path/to/xpi</string>
    </array>
    <key>Uninstall</key>
    <array>
      <string>bad_addon_id@mozilla.org</string>
    </array>
    <key>Locked</key>
    <array>
      <string>addon_id@mozilla.org</string>
    </array>
  </dict>
</dict>