How to
- Options window - Advanced panel
- Options window - Applications panel
- Options window - Content panel
- Options window - Feeds panel
- Options window - General panel
- Options window - Privacy panel
- Options window - Security panel
- Options window - Tabs panel
- Organize Your Messages by Using Filters
- Organizing Bookmarks
- Page actions in Firefox Focus
- Page Info window
- Page Info window - View technical details about the page you are on
- Pages appear small when I print or view them in Print Preview Redirect 1
- Page Zoom
- Parental controls
- Password Manager - Remember, delete and change passwords in Thunderbird
- Password Manager - Remember, delete and change passwords in Thunderbird Redirect 1
- Password manager - Remember, delete and change saved passwords in Firefox
- Password Manager - Remember, delete and edit logins and passwords in Firefox
- Password Manager - Remember, delete, change and import saved passwords in Firefox
- Peeping and remixing your first web page
- Perform price comparisons in Firefox Lite
- Permission request messages explained
- Permission request messages for Firefox extensions
- Permission request messages for Thunderbird extensions
- Permissions Manager - Give certain websites the ability to store passwords, set cookies and more
- Permissions Manager - Give certain websites the ability to store passwords, set cookies and more Redirect 1
- Personalized apps with Adaptive Search
- Personalized extension recommendations
- Personalize Firefox - an overview of customization options
- Personalize Firefox with colorways
- Pin and remove sites to or from your home screen
- Pin and remove top sites in Firefox for Fire TV
- Pinned Tabs - keep favorite websites open and just a click away
- Pinning and unpinning sites from your Firefox Preview homepage
- Pinning and unpinning sites on Firefox Preview's Top Sites
- Pinning and unpinning Top Sites
- Pin (or bookmark) and remove sites to or from your home screen
- Pin Sites on the Firefox for Android start screen
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- Placeholder article Bug 1908131
- Placeholder Bug 1909004
- Placeholder Bug 1918550
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- Play and manage music
- Playing music on Firefox OS
- Playing videos in Firefox for Android
- Play music files
- Play music on Firefox OS
- Play videos full screen on Firefox for Android
- Play Windows Media files in Firefox with the Windows Media plugin
- Plugins (like Flash) are blocked on some sites by default
- Pocket Developer FAQ
- Pocket for Firefox FAQ
- Pocket for Firefox FAQ Redirect 1
- Pocket for iOS App privacy information
- Pocket for publishers FAQ
- Pocket Hits FAQ
- Pocket migration to Firefox accounts
- Pocket Premium FAQ
- Pocket Premium Full-Text Search
- Pocket Premium: Full-Text Search
- Pocket Premium - Manage billing and subscription preferences
- Pocket Premium Permanent Library
- Pocket Premium: Permanent Library
- Pocket Premium Suggested Tags
- Pocket Premium: Suggested Tags
- Pocket Recommendations in the Firefox new tab
- Pocket Recommendations in the Firefox new tab — Common questions
- Pocket Recommendations in the Firefox new tab — Common questions Redirect 1
- Pocket recommendations in the Firefox New Tab page - FAQ
- Pocket security overview
- Pocket sponsored content in new tabs
- Pocket sponsored content in open tabs
- Pocket sponsored stories on new tabs
- Pocket system requirements
- Pocket transition to Firefox accounts
- Pocket Transition to Mozilla account - FAQ
- Pocket transition to Mozilla accounts
- Pocket website cookies FAQ
- Pontoon - Managing account data
- Popular plugins
- Popular Topics for Firefox for Android
- Pop-up blocker
- Pop-up blocker settings, exceptions and troubleshooting
- Prerequisite for sending an encrypted email message
- Prevent Norton 360 from erasing Firefox bookmarks
- Preview pages on your tab list with 3D Touch
- Price Tracker is retiring
- Primary Password is replacing Master Password
- Print a web page from Firefox for Android
- Print-friendly pages in Firefox - clutter-free printing