This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

Unable to login into account to Sync on my personal MAC

  • 3 antwoorde
  • 24 hierdie probleem
  • 1 view
  • Laaste antwoord deur hk8055

more options

when i tried to login in my personal MAC it shows

Unknown account

I am trying to sync my office PC and personal MAC.

when i tried to login in my personal MAC it shows Unknown account I am trying to sync my office PC and personal MAC.

All Replies (3)

more options
more options

Are both those computers currently running Firefox 29?

Once a Sync account has been updated with a Firefox 29 version, any Firefox 28 or earlier version won't be able to use that Sync account.

more options

Yes both are on version 29. I updated today only.