Frequent Topics
Explore the knowledge base.
Still need help?
We’re here for you. Post a question to our support forums and get answers from our community of experts.
Ask the CommunityFeatured Articles
Back up and transfer your Firefox data to a new device
Learn how to transfer your browser data when switching devices using Firefox Sync. Back up your bookmarks, history, passwords, etc. with your Mozilla account.
How do I set up Sync on my computer?
Use a Mozilla account to sync your bookmarks, history, passwords, add-ons and open tabs with another device, profile or version of Firefox.
Captive portal detection
Description of how Firefox detects captive portal networks.
Websites don't load - troubleshoot and fix error messages
Are you having trouble getting a website to load? This article will show you how to fix the problem so you can get back to surfing the web.
Join Our Community
Grow and share your expertise with others. Answer questions and improve our knowledge base.