When you open Firefox after reaching a certain user milestone, you’re shown a Firefox Browser welcome page in a new tab. Learn more.
Learn how Firefox handles files with different content types and how to change what Firefox does when you click on or download a file.
If Firefox was open when Windows shut down, Firefox may reopen automatically the next time you start Windows. You can disable this feature.
Firefox prevents media from playing automatically on websites you visit, unless you grant permission. Learn more about this feature.
Learn how to add an exception for Pocket in Firefox, to prevent being prompted to log in to Pocket when saving to the site.
How to disable the Enterprise Roots preference to fix TLS connection errors caused by antivirus software, without compromising security.
Enable Full Disk Access on macOS version 10.14 (Mojave) or higher, so that you can import data from your Safari browser into Firefox.
Learn more about this Firefox anti-snooping feature designed to protect your logins and passwords from unauthorized access.