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Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Backup, recovery, and sync

Backup data

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

In English

Restore your Firefox browsing data with a backup file

How do I set up Sync on my computer?

Back up and transfer your Firefox data to a new device

Manually back up and restore Firefox profile data

Export Firefox bookmarks to an HTML file to back up or transfer bookmarks

Restore bookmarks from backup or move them to another computer

Sync Firefox data

Export login data from Firefox

How do I choose what information to sync on Firefox?

Back up your Firefox installation folder

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