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Another person logged into my firefox using their account and all my password/bookmark got synced into their account. How to delete all my personal information

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  • Last reply by FredMcD

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Another person logged into my firefox with their firefox account and all my password, bookmark, history got synced to their account.

When that person logged into their machine with their account, all my password is being synced to them. even after deleting while signedin, signedout and signedin again, all these get synced again. Could you please help on how to delete my data from that persons account.

Thanking You, Sincerely, Jinet

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Resetting the sync password, or changing its e-mail, will remove all data from the servers.

This is a security feature. https://support.mozilla.org/en-US/kb/ive-lost-my-firefox-sync-account-information

  • I've lost my Firefox Sync account information - What to do
  • I’ve forgotten, or don't have access to, my Firefox Account email address

After, change the passwords on Everything.