| **[`DisableSystemAddonUpdate`](#disablesystemaddonupdate)** | Prevent system add-ons from being installed or update.
| **[`DisableTelemetry`](#disabletelemetry)** | DisableTelemetry
| **[`DisplayBookmarksToolbar`](#displaybookmarkstoolbar)** | Set the initial state of the bookmarks toolbar.
- | **[`DisplayMenuBar`](#displaymenubar)** | Set the initial state of the menubar.
+ | **[`DisplayMenuBar (Deprecated)`](#displaymenubar-deprecated)** | Set the initial state of the menubar.
+ | **[`DisplayMenuBar`](#displaymenubar)** | Set the state of the menubar.
| **[`DNSOverHTTPS`](#dnsoverhttps)** | Configure DNS over HTTPS.
| **[`DontCheckDefaultBrowser`](#dontcheckdefaultbrowser)** | Don't check if Firefox is the default browser at startup.
| **[`DefaultDownloadDirectory`](#defaultdownloaddirectory)** | Set the default download directory.
}
}
```
- ### DisplayMenuBar
+ ### DisplayMenuBar (Deprecated)
Set the initial state of the menubar. A user can still hide it and it will stay hidden.
**Compatibility:** Firefox 60, Firefox ESR 60 (Windows, some Linux)\
}
}
```
+ ### DisplayMenuBar
+ Set the state of the menubar.
+
+ `always` means the menubar is shown and cannot be hidden.
+
+ `never` means the menubar is hidden and cannot be shown.
+
+ `default-on` means the menubar is on by default but can be hidden.
+
+ `default-off` means the menubar is off by default but can be shown.
+
+ **Compatibility:** Firefox 73, Firefox ESR 68.5 (Windows, some Linux)\
+ **CCK2 Equivalent:** `displayMenuBar`\
+ **Preferences Affected:** N/A
+
+ #### Windows (GPO)
+ ```
+ Software\Policies\Mozilla\Firefox\DisplayMenuBar = "always", "never", "default-on", "default-off"
+ ```
+ #### macOS
+ ```
+ <dict>
+ <key>DisplayMenuBar</key>
+ <string>always | never | default-on | default-off</string>
+ </dict>
+ ```
+ #### policies.json
+ ```
+ {
+ "policies": {
+ "DisplayMenuBar": "always", "never", "default-on", "default-off"
+ }
+ }
+ ```
### DNSOverHTTPS
Configure DNS over HTTPS.
| If true, bookmarks are exported on shutdown.
| browser.bookmarks.file | string | Firefox 70, Firefox ESR 68.2 | N/A
| If set, the name of the file where bookmarks are exported and imported.
-| browser.bookmarks.restore_default_bookmarks | string | Firefox 70, Firefox ESR 68.2 | N/A
+| browser.bookmarks.restore_default_bookmarks | boolean | Firefox 70, Firefox ESR 68.2 | N/A
| If true, bookmarks are restored to their defaults.
| browser.cache.disk.enable | boolean | Firefox 68, Firefox ESR 68 | true
| If false, don't store cache on the hard drive.
| If true, single words are sent to DNS, not directly to search.
| browser.newtabpage.activity-stream.default.sites | string | Firefox 72, ESR 68.4 | Locale dependent
| If set, a list of URLs to use as the default top sites on the new tab page.
-| browser.places.importBookmarksHTML | string | Firefox 70, Firefox ESR 68.2
+| browser.places.importBookmarksHTML | boolean | Firefox 70, Firefox ESR 68.2
| If true, bookmarks are always imported on startup.
-| browser.safebrowsing.phishing.enabled | string | Firefox 70, Firefox ESR 68.2 | true
+| browser.safebrowsing.phishing.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
| If false, phishing protection is not enabled (Not recommended)
-| browser.safebrowsing.malware.enabled | string | Firefox 70, Firefox ESR 68.2 | true
-| IF false, malware protection is not enabled (Not recommended)
+| browser.safebrowsing.malware.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
+| If false, malware protection is not enabled (Not recommended)
| browser.search.update | boolean | Firefox 68, Firefox ESR 68 | true
| If false, updates for search engines are not checked.
-| browser.slowStartup.notificationDisabled | string | Firefox 70, Firefox ESR 68.2 | false
+| browser.slowStartup.notificationDisabled | boolean | Firefox 70, Firefox ESR 68.2 | false
| If true, a notification isn't shown if startup is slow.
| browser.tabs.warnOnClose | boolean | Firefox 68, Firefox ESR 68 | true
| If false, there is no warning when the browser is closed.
-| browser.taskbar.previews.enable | string | Firefox 70, Firefox ESR 68.2 (Windows only) | false
+| browser.taskbar.previews.enable | boolean | Firefox 70, Firefox ESR 68.2 (Windows only) | false
| If true, tab previews are shown in the Windows taskbar.
| browser.urlbar.suggest.bookmark | boolean | Firefox 68, Firefox ESR 68 | true
| If false, bookmarks aren't suggested when typing in the URL bar.
| If false, open tabs aren't suggested when typing in the URL bar.
| datareporting.policy.dataSubmissionPolicyBypassNotification | boolean | Firefox 68, Firefox ESR 68 | false
| If true, don't show the privacy policy tab on first run.
-| dom.allow_scripts_to_close_windows | string | Firefox 70, Firefox ESR 68.2 | false
+| dom.allow_scripts_to_close_windows | boolean | Firefox 70, Firefox ESR 68.2 | false
| If false, web page can close windows.
| dom.disable_window_flip | boolean | Firefox 68, Firefox ESR 68 | true
| If false, web pages can focus and activate windows.
| See https://support.mozilla.org/en-US/kb/dom-events-changes-introduced-firefox-66
| dom.keyboardevent.keypress.hack.use_legacy_keycode_and_charcode.addl | string | Firefox 68, Firefox ESR 68 | N/A
| See https://support.mozilla.org/en-US/kb/dom-events-changes-introduced-firefox-66
-| extensions.blocklist.enabled | string | Firefox 70, Firefox ESR 68.2 | true
+| extensions.blocklist.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
| If false, the extensions blocklist is not used (Not recommended)
| extensions.getAddons.showPane | boolean | Firefox 68, Firefox ESR 68 | N/A
| If false, the Recommendations tab is not displayed in the Add-ons Manager.
| extensions.htmlaboutaddons.recommendations.enabled | boolean | Firefox 72, Firefox ESR 68.4 | true
| If false, recommendations are not shown on the Extensions tab in the Add-ons Manager.
-| geo.enabled | string | Firefox 70, Firefox ESR 68.2 | true
+| geo.enabled | boolean | Firefox 70, Firefox ESR 68.2 | true
| If false, the geolocation API is disabled. | Language dependent
| intl.accept_languages | string | Firefox 70, Firefox ESR 68.2
| If set, preferred language for web pages.
| If true, display the punycode version of internationalized domain names.
| places.history.enabled | boolean | Firefox 68, Firefox ESR 68 | true
| If false, history is not enabled.
-| print.save_print_settings | string | Firefox 70, Firefox ESR 68.2 | true
+| print.save_print_settings | boolean | Firefox 70, Firefox ESR 68.2 | true
| If false, print settings are not saved between jobs.
| security.default_personal_cert | string | Firefox 68, Firefox ESR 68 | Ask Every Time
| If set to Select Automatically, Firefox automatically chooses the default personal certificate.
-| security.mixed_content.block_active_content | string | Firefox 70, Firefox ESR 68.2 | true
+| security.mixed_content.block_active_content | boolean | Firefox 70, Firefox ESR 68.2 | true
| If false, mixed active content (HTTP and HTTPS) is not blocked.
| security.osclientcerts.autoload | boolean | Firefox 72, Firefox ESR 68.4 (Windows only) | false
| If true, client certificates are loaded from the operating system certificate store.
<key>Proxy</key>
<dict>
<key>Mode</key>
- <string>none | system | manual | autoDetect| autoConfig</string>
+ <string>none | system | manual | autoDetect | autoConfig</string>
<key>Locked</key>
<true> | </false>
<key>HTTPProxy</key>