Sync your browsing information across other devices.
- How to set up Firefox Sync in Firefox Preview Learn how to connect Firefox Sync with Firefox Preview.
- Send a tab from Firefox Preview to another device Firefox Preview lets you send tabs from your phone to your computer so that you can view them later. Learn more.
- Changing your two-step authentication device for your Firefox Account What to do if you have two-factor authentication (2FA) setup on your account and need to migrate to a new device or phone.
- Firefox Sync troubleshooting and tips If you've run into a problem getting Firefox Sync to work correctly, this article will walk you though the most common solutions.