Extensions

Control the installation, uninstallation and locking of extensions.

Compatibility: Firefox 60, Firefox ESR 60
CCK2 Equivalent: addons
Preferences Affected: N/A

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"

Windows (Intune)

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Install

Value (string):

<enabled/>
<data id="Extensions" value="1&#xF000;https://addons.mozilla.org/firefox/downloads/somefile.xpi&#xF000;2&#xF000;//path/to/xpi"/>

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Uninstall

Value (string):

<enabled/>
<data id="Extensions" value="1&#xF000;bad_addon_id@mozilla.org"/>

OMA-URI:

./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox~Extensions/Extensions_Locked

Value (string):

<enabled/>
<data id="Extensions" value="1&#xF000;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>

policies.json

{
  "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"]
    }
  }
}