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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

Sync data

Sync your data across different platforms and devices.

In English

How do I choose what information to sync on Firefox?

Sync bookmarks, logins and browsing history on Firefox for iOS

Sync Firefox data

Where are my synced tabs in Firefox for iOS?

Disable Firefox Sync on a lost phone or tablet

Change your two-step authentication device for your Mozilla account

Send Tab from another mobile app to Firefox

Send a tab from Firefox for iOS to another device

Drag and drop links and tabs to and from Firefox

Firefox Sync takes too long to sync or send pages from my iPhone or iPad

Sync logins in Firefox for iOS

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