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Learn MoreLearn what Sync is, how it works, what it lets you do and how to avoid data loss with Sync, Firefox and your Mozilla account.
Find solutions to help you manage the devices and services connected to your Mozilla account.
Why Firefox add-ons are unavailable for Firefox on iOS.
Learn how to select what information (bookmarks, add-ons, browsing history and other data) to share across your devices with Firefox Sync.