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The Options/Preferences panels give you access to Firefox settings. This article describes what types of settings are available in each panel.

This article summarizes the Firefox [[T:optionsorpreferences]] panels and what types of settings they contain. [[T:optionspreferences]] The following panels are available: __TOC__ = General panel = This panel contains {for win}options{/for}{for mac,linux}preferences{/for} for the following types of settings: ''General''<br> '''Startup'''{for not fx61}, '''Home Page'''{/for} and '''Tabs''': This is where you can [[Make Firefox your default browser|set Firefox as your default browser]]{for not fx61}, change [[How to set the home page|what pages open when Firefox starts]]{/for}{for fx61}, set Firefox to [[Restore previous session - Configure when Firefox shows your most recent tabs and windows|restore your previous session]] at startup{/for} and [[Tab preferences and settings|choose how tabs are opened]]. ''Language and Appearance''<br> '''Fonts & Colors''' and '''Language''': This is where you can [[Change the fonts and colors websites use|change the fonts and colors websites use]],{for fx65} where to [[Use Firefox in another language|choose the language to display menus, notifications, messages and other parts of the Firefox interface]],{/for} where to [[Choose display languages for multilingual web pages|choose a preferred display language for web pages]] and where you can choose to [[How do I use the Firefox spell checker?|use the Firefox spell checker]]. ''Files and Applications''<br> '''Downloads''', '''Applications''' and '''Digital Rights Management (DRM) Content''': This is where you can [[Where to find and manage downloaded files in Firefox#w_change-where-downloads-are-saved|change the download folder Firefox uses]] to save files, [[Change what Firefox does when you click on or download a file|change the application used or the action taken]] for different file types and choose whether to [[Watch DRM content on Firefox|Watch DRM content in Firefox]]. ''Firefox Updates''<br> This is where you can check your update history or change update settings for Firefox. ''Performance''<br> This is where you can customize [[Firefox's performance settings|performance settings]] in Firefox. ''Browsing''<br> This is where you can choose settings for scrolling, using the cursor (Caret Browsing mode) or searching for text in webpages. {for not fx63}''Network Proxy''{/for}{for fx63}''Network Settings''{/for}<br> This is where you can change [[Connection settings in Firefox|Firefox connection settings]] and set a proxy to connect to the Internet. {for fx61} = Home panel = This panel contains {for win}options{/for}{for mac,linux}preferences{/for} for the following types of settings: ''New Windows and Tabs''<br> These settings allow you to choose what you see when you open your [[How to set the home page|home page]], a new Firefox window or a new tab. You can set your home page to the [[About the New Tab page|default Firefox homepage]], a blank page or a custom URL; you can set new tabs to open the default Firefox home page or a blank page. ''Firefox Home Content''<br> These settings allow you to [[Hide or display content in New Tab| hide or display features of the default Firefox homepage or New Tab page]], including Web Search, Top Sites, Recommended by Pocket, Snippets from Mozilla and Highlights. For more information about these features, see [[About the New Tab page]] and [[Customize the New Tab page]]. {/for} = Search panel = This panel contains {for win}options{/for}{for mac,linux}preferences{/for} related to the search engine Firefox uses by default and other search settings. For more information, see [[Change your default search settings in Firefox]]. = Privacy & Security panel = This panel contains {for win}options{/for}{for mac,linux}preferences{/for} for the following types of settings:<br> ''Browser Privacy''<br> {for fx63}'''Content Blocking,''' '''Cookies and Site Data''', '''Forms & Passwords''', '''History''' and '''Address Bar'''{/for}{for not fx63}'''Forms & Passwords''', '''History''', '''Cookies and Site Data''', '''Address Bar''' and '''Tracking Protection'''{/for}: This is where you can control settings for the Firefox {for not fx63}[[What happened to Tracking Protection?|Tracking Protection]]{/for}{for fx63}[[Content blocking|Content Blocking]]{/for} and [[How do I turn on the Do Not Track feature?|Do Not Track]] features, manage [[Cookies - Information that websites store on your computer|website cookies]], [[Manage local site storage settings|website data storage]] and [[How to clear the Firefox cache|cached web content]], where you can set how to [[Control whether Firefox automatically fills in forms| fill in forms]] and [[Password Manager - Remember, delete, change and import saved passwords in Firefox|manage passwords]], manage your browsing, download, search and form history and set [[Awesome Bar - Search your Firefox bookmarks, history and tabs from the address bar|how the address bar works]]. ''Permissions''<br> This is where you can decide whether websites can send you [[Web Push notifications in Firefox|Web Push notifications]], show you [[Pop-up blocker settings, exceptions and troubleshooting|pop-up windows]] and whether Firefox should warn you when websites try to [[Find and install add-ons to add features to Firefox|install add-ons]]. ''Firefox Data Collection and Use''<br> This is where you can decide whether Firefox should [[Share telemetry data with Mozilla to help improve Firefox|send technical and interactive data]] to Mozilla, [[About SHIELD Studies|install and run studies]] or send [[Mozilla Crash Reporter|crash reports]] to Mozilla. ''Security''<br> '''Deceptive Content and Dangerous Software Protection''' and '''Certificates''': This is where you can view and manage [[Secure Website Certificate|website certificates]] and security devices and where you can [[How does built-in Phishing and Malware Protection work?|block dangerous content or downloads]] in Firefox. = {for not fx67}Firefox Account{/for}{for fx67}Sync{/for} panel = This panel lets you set up or manage a Firefox Account, which is needed to [[Access Mozilla Services with Firefox Accounts|access certain Mozilla services]], including Sync. See [[How do I set up Sync on my computer?]] and [[How do I choose what types of information to sync on Firefox?]] for more information.