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This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Backup, recovery, and sync

Backup data

From passwords to bookmarks, discover ways to back up your important data.

Sync Firefox data

Learn what Sync is, how it works, what it lets you do and how to avoid data loss with Sync, Firefox and your Mozilla account.

Last updated: 3/15/24

How do I choose what information to sync on Firefox?

Learn how to select what information (bookmarks, add-ons, browsing history and other data) to share across your devices with Firefox Sync.

Last updated: 5/7/24

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Volunteer

Grow and share your expertise with others. Answer questions and improve our knowledge base.