QB Issue Resolution:
click the send button to e-mail and overwrite the original email address with the new one.
Resolution for Issue 'How can I send a copy on an estimate to a third party after the original has been sent?' available: Yes (Solved).
Source: Intuit Community forum.
How can I send a copy on an estimate to a third party after the original has been sent?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for Quickbooks/QBO
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Error Recovery for Quickbooks/QBO [Canada]
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