Sync allows you to sync your bookmarks, logins and browsing information across different devices. When you're no longer using a device, you can remove it from your Firefox account and delete its associated browsing information, if you choose.
Note: If you just want to disable Sync for a device without signing out of your Firefox account, see Disable Firefox Sync.
- Open Firefox on the computer you want to disconnect.
- Click the menu button
on the toolbar.
Click your Firefox Account email or display name (you might need to sign in first.)
- Click .
- The panel of your Firefox OptionsPreferences page displays.
- Click .
- A prompt will ask you to confirm that you want to disconnect.
- Click the button.
Firefox will disconnect from your account but won't delete any browsing information.
- Open Firefox on the computer you want to disconnect.
- Click the menu button on the toolbar.
Click your Firefox Account email or display name (you might need to sign in first.)
- Click .
- The panel of your Firefox OptionsPreferences page displays.
- Click the button. A prompt will ask you if you want to clear your sync'ed data from that device.
- Put a checkmark next to the information you want to remove, if any.
- Click the button, or if you will remove any data.
