Outlook - Send from a Group or Shared Mailbox
Summary
This article should help you send an email from a Group or Shared Mailbox address, rather than from your personal email. In order to send an email from a Group or Shared Mailbox, the mailbox owner for the mailbox must grant you permission.
Please follow the link below, select the appropriate version of Outlook (Classic, New, or Web) and then scroll to the section titled Send mail from a shared mailbox:
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