Should I Use Regards Or Sincerely?

Should I Use Regards Or Sincerely? Kind regards or Yours sincerely? ‘Yours sincerely’ and ‘Yours faithfully’ should be reserved for very formal emails and letters, such as job applications and formal business correspondence. … Hence, ‘Kind regards’ and ‘Best regards’ are better options for workplace emails. Is it rude to use regards? You should never