Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

What happens to my old sync data?

  • 1 reply
  • 1 has this problem
  • 3 views
  • Last reply by cor-el

more options

Once I create a Firefox account and unlink all devices and relink them with the new account, what happens to my old sync data?

Once I create a Firefox account and unlink all devices and relink them with the new account, what happens to my old sync data?

All Replies (1)

more options

You can delete the old account to remove all data stored on the server.