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View a shared Exchange On-Premise (not migrated) mailbox/calendar using a web browser

It is possible to access shared mailboxes belonging to other institutions that have not been migrated to Exchange Online yet (where the shared mailbox is still on Exchange On-Premise) via a web browser, provided that you have Full Access to the mailbox using your original ACN account.
  1. In a web browser, browse to the shared Exchange On Premise mailbox you want to open using the URL in this format:

    Replace "" with the email address of the mailbox you want to open.

  2. Log in using your ACN credentials:

    Username = CRSid
    Password = your ACN password