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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 the following types of settings: ''General''<br> '''Startup'''{for fx113}, '''Import Browser Data'''{/for} and '''Tabs''': This is where you can [[Make Firefox your default browser|make Firefox your default browser]], set Firefox to [[Restore previous session - Configure when Firefox shows your most recent tabs and windows|restore your previous session]] at startup{for fx113}, [[Import data from another browser|import data from another browser]]{/for} and [[Tab preferences and settings|choose how tabs are opened]]. ''Language and Appearance''<br> '''Website appearance''', '''Colors''', '''Fonts''', '''Zoom''' and '''Language''': This is where you can [[Change website appearance settings in Firefox|change website appearance settings in Firefox]], [[Change the fonts and colors websites use|change the fonts and colors websites use]], where to [[Font size and zoom - increase the size of web pages|change the size of webpage content]], where you can [[Use Firefox in another language|choose the language to display menus, notifications, messages and other parts of the Firefox interface]], 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, [[Manage file types and download actions in Firefox|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. ''Network Settings''<br> This is where you can change [[Connection settings in Firefox|Firefox connection settings]] and set a proxy to connect to the Internet. = Home panel = This panel contains the following types of settings: ''New Windows and Tabs''<br> This is where you can 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> This is where you can [[Customize your New Tab page to hide or display content|hide or display content on the default Firefox homepage or New Tab page]] including Web Search, shortcuts to most visited sites, Recommended by Pocket and recent activity. For more information about these features, see [[Customize items on your Firefox New Tab page]]. = Search panel = This panel contains settings 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 the following types of settings: ''Browser Privacy''<br> '''Enhanced Tracking Protection''', '''Cookies and Site Data''', '''Forms & Passwords''', '''History''' and '''Address Bar''': This is where you can control settings for the Firefox [[Enhanced Tracking Protection in Firefox for desktop|Enhanced Tracking Protection]] 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 and edit logins and passwords in Firefox|manage passwords]], manage your browsing, download, search and form history and set [[Address bar autocomplete suggestions in Firefox|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 Studies|install and run studies]] or send [[Mozilla Crash Reporter|crash reports]] to Mozilla. ''Security''<br> '''Deceptive Content and Dangerous Software Protection''', '''Certificates''' and '''HTTPS-Only Mode''': This is where you can view and manage [[Secure Website Certificate|website certificates]] and security devices, [[How does built-in Phishing and Malware Protection work?|block dangerous content or downloads]] and enable or disable [[HTTPS-Only Mode in Firefox|HTTPS-Only Mode]] in Firefox. = Sync 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.