How do I choose what information to sync on Firefox?

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Important: Sync requires the latest version of Firefox. Make sure you update Firefox on any computers or Android devices. Then, if necessary, update Sync.

Firefox Sync lets you synchronize bookmarks, add-ons, browsing history and other site information across multiple devices. This article shows you how to choose these settings. For information on starting a Sync account or managing your devices, see How do I set up Sync on my computer?

What types of information can I share across my devices?

You can choose to sync the following types of information on your devices:

  • Tabs: your open tabs on other devices will be stored in the History menu on your computer, and in the Sync tab on your Android device.
  • Bookmarks: this allows you to access all your favorite sites on all your synchronized devices.
  • Passwords: this synchronizes your login information. This will be disabled if you use a master password
  • History: this allows you to access sites you have visited in the past on all your synchronized devices.
  • Add-ons: put a checkmark for this box if you want to synchronize your add-ons across your devices. Add-ons for the desktop version of Firefox cannot be synchronized with the mobile versions of Firefox.

How do I select the information that I want to sync?

Note: For security reasons, the master password is not synced even if passwords and preferences are selected.
  1. Open the Sync options windowpreferences panel.
  2. In the Sync My section, select the check box for each data type you want to sync: bookmarks, passwords, preferences, history, open tabs, add-ons.

    Sync Mac Data

Manage my Sync information on a computer

  1. In the Menu bar at the top of the screen, click Firefox and select Settings (select Preferences on older macOS versions).Click the menu button Fx89menuButton and select Settings.
  2. In the Sync panel, uncheck the types of information that you don't want to sync:
  3. Close the window when you're finished. Your changes will be saved automatically.

Manage my Sync information on an Android device

  1. Tap the Menu button (either at the bottom right on some devices or in the upper right of the browser) and select Settings (you may need to tap More first) .
  2. Tap Sync and uncheck the items you don't want to synchronize. Your changes will save automatically when you exit.