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manojviduranga's avatar
May 16, 2021
Solved

Clarifications on Tenant retention policies & shared mailboxes‎

Hi Folks,   This is probably not the ideal hub to post this question but couldn't think of anywhere else.   This is bit of a licensing clarification question where I am looking for a definitive...
  • manojviduranga's avatar
    May 19, 2021
    Apparently I had to reach out to Microsoft support to get these verified. Sharing as it might help others who are looking for the same.

    Ans1: Yes, Shared mailbox fall under the retention of a policy in the Security & Compliance Centre, even when it's not licensed.

    Ans2: Shared mailbox can store up to 50GB of data without assigning a license to it. After that, you need to assign a license to the mailbox to store more data. For more details on shared mailbox licensing, please see Exchange Online Limits. When a shared mailbox reaches the storage limit, you'll be able to receive email for a while, but you won't be able to send new email. Then, after that, it will stop receiving email. Senders to the mailbox will get a non-delivery receipt.

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