-| Preference | Type | Compatibility | Default
-| --- | --- | --- | ---
-| accessibility.force_disabled | integer | Firefox 70, Firefox ESR 68.2 | 0
-| If set to 1, platform accessibility is disabled.
-| app.update.auto (Deprecated - Switch to AppAutoUpdate policy) | boolean | Firefox 68, Firefox ESR 68 | true
-| If false, Firefox doesn't automatically install update.
-| browser.bookmarks.autoExportHTML | boolean | Firefox 70, Firefox ESR 68.2 | false
-| 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 | 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.
-| ~browser.cache.disk.parent_directory~ | string | Firefox 68, Firefox ESR 68 | Profile temporary directory
-| ~If set, changes the location of the disk cache.~ This policy doesn't work. It's being worked on.
-| browser.fixup.dns_first_for_single_words | boolean | Firefox 68, Firefox ESR 68 | false
-| 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 | boolean | Firefox 70, Firefox ESR 68.2
-| If true, bookmarks are always imported on startup.
-| 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 | 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 | 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 | 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.
-| browser.urlbar.suggest.history | boolean | Firefox 68, Firefox ESR 68 | true
-| If false, history isn't suggested when typing in the URL bar.
-| browser.urlbar.suggest.openpage | boolean | Firefox 68, Firefox ESR 68 | true
-| 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 | boolean | Firefox 70, Firefox ESR 68.2 | false
+#### Windows (GPO)
+Software\Policies\Mozilla\Firefox\Preferences (REG_MULTI_SZ) =
+```
+{
+ "accessibility.force_disabled": {
+ "Value": 1,
+ "Status": "default"
+ },
+ "browser.cache.disk.parent_directory": {
+ "Value": "SOME_NATIVE_PATH",
+ "Status": "user"
+ },
+ "browser.tabs.warnOnClose": {
+ "Value": false,
+ "Status": "locked"
+ }
+}
+```
+#### Windows (Intune)
+OMA-URI:
+```
+./Device/Vendor/MSFT/Policy/Config/Firefox~Policy~firefox/Preferences
+```
+Value (string):
+```
+<enabled/>
+<data id="JSON" value='
+{
+ "accessibility.force_disabled": {
+ "Value": 1,
+ "Status": "default"
+ },
+ "browser.cache.disk.parent_directory": {
+ "Value": "SOME_NATIVE_PATH",
+ "Status": "user"
+ },
+ "browser.tabs.warnOnClose": {
+ "Value": false,
+ "Status": "locked"
+ }
+}'/>
+```
+#### macOS
+```
+<dict>
+ <key>Preferences</key>
+ <dict>
+ <key>accessibility.force_disabled</key>
+ <dict>
+ <key>Value</key>
+ <integer>1</integer>
+ <key>Status</key>
+ <string>default</string>
+ </dict>
+ <key>browser.cache.disk.parent_directory</key>
+ <dict>
+ <key>Value</key>
+ <string>SOME_NATIVE_PATH</string>
+ <key>Status</key>
+ <string>user</string>
+ </dict>
+ <key>browser.tabs.warnOnClose</key>
+ <dict>
+ <key>Value</key>
+ <false/>
+ <key>Status</key>
+ <string>locked</string>
+ </dict>
+ </dict>
+</dict>
+```
+#### policies.json
+```
+{
+ "policies": {
+ "Preferences": {
+ "accessibility.force_disabled": {
+ "Value": 1,
+ "Status": "default"
+ },
+ "browser.cache.disk.parent_directory": {
+ "Value": "SOME_NATIVE_PATH",
+ "Status": "user"
+ },
+ "browser.tabs.warnOnClose": {
+ "Value": false,
+ "Status": "locked"
+ }
+ }
+ }
+}
+```
+### Preferences (Deprecated)
+Set and lock certain preferences.
+
+**Compatibility:** See below\
+**CCK2 Equivalent:** `preferences`\
+**Preferences Affected:** See below
+
+| Preference | Type | Compatibility | Default
+| --- | --- | --- | ---
+| accessibility.force_disabled | integer | Firefox 70, Firefox ESR 68.2 | 0
+| If set to 1, platform accessibility is disabled.
+| app.update.auto (Deprecated - Switch to AppAutoUpdate policy) | boolean | Firefox 68, Firefox ESR 68 | true
+| If false, Firefox doesn't automatically install update.
+| browser.bookmarks.autoExportHTML | boolean | Firefox 70, Firefox ESR 68.2 | false
+| 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 | 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.
+| ~browser.cache.disk.parent_directory~ | string | Firefox 68, Firefox ESR 68 | Profile temporary directory
+| ~If set, changes the location of the disk cache.~ This policy doesn't work. It's being worked on.
+| browser.fixup.dns_first_for_single_words | boolean | Firefox 68, Firefox ESR 68 | false
+| 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. Due to Firefox limitations, search sites can't be added. In addition, sites with the same name but different TLDs (example.org/example.com) will not display properly.
+| browser.places.importBookmarksHTML | boolean | Firefox 70, Firefox ESR 68.2
+| If true, bookmarks are always imported on startup.
+| 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 | 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 | 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 | 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.
+| browser.urlbar.suggest.history | boolean | Firefox 68, Firefox ESR 68 | true
+| If false, history isn't suggested when typing in the URL bar.
+| browser.urlbar.suggest.openpage | boolean | Firefox 68, Firefox ESR 68 | true
+| 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 | boolean | Firefox 70, Firefox ESR 68.2 | false