How one can access online archive calendar of other user?

Man Li 1 Reputation point
2021-05-25T13:50:43.867+00:00

We have two users User A and User B. User A have editor level access to User B's Calendar. User A is not able access online archive calendar of User B.

The current situation is User A is able to access the User B's calendar but not archived calendar as online archive is enabled for User B.

Is there any way that user A can access archived calendar of User B?

Please advise!

Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Andy David - MVP 142.3K Reputation points MVP
    2021-05-25T13:54:46.893+00:00

    Give UserA full access to User B's mailbox

    https://learn.microsoft.com/en-us/outlook/troubleshoot/profiles-and-accounts/troubleshoot-exchange-online-archive-mailbox-not-shown#resolution-method-3---verify-that-full-access-permission-is-correctly-granted

    If a user needs full mailbox access to another user's primary and archive mailboxes, you must grant them the Full Access permission.

    2 people found this answer helpful.
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  2. Malte Böttcher 6 Reputation points
    2021-05-27T11:04:55.98+00:00

    We have the following scenario:

    A colleague from the reception has for a large circle of users calendar "Reviewer" permissions. Not full access permissions.

    Recently, the online archives of the calendars of the users of the circle are displayed for the colleague from the reception under "My calendars".

    Why are the online archives mapped automatically? Is there no way to access the online archives of colleagues' calendars without automapping? Furthermore, I don't understand why the online archives are automatically mapped with "Reviewer" permissions.

    Without the automapping I don't know how to access the Online Archive calendars either. The calendar view of colleagues with many permissions becomes confusing due to this behavior.

    1 person found this answer helpful.
  3. Yuki Sun-MSFT 40,871 Reputation points
    2021-05-26T05:41:22.113+00:00

    Hi @Man Li ，

    Agree with Andy on that in order for User A to access User B's online archive calendar, you would need to assign User A the full access permission to User B's mailbox: 

    Add-MailboxPermission -Identity "User B" -User "User A" -AccessRights FullAccess -InheritanceType All

    After that, both the primary mailbox and the online archive mailbox of User B would show up in User A's Outlook client via automapping, so User A would be able to see the online archive calendar.

    See the thread below which discusses a similar topic:
    How to share Online Archive folder with other users on Outlook (Office 2016 Enterprise package)

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  4. Dilip Sasikumar 31 Reputation points
    2021-08-06T19:38:04.027+00:00

    Has anyone found a solution for the stale auto mapped online archive calendar even after removing the Full Access ?