Previously, shared mailbox owners could share and manage the permissions for their mailbox's calendar by right-clicking the calendar and selecting "Sharing permissions" in the menu:

Currently, there is a known issue where shared mailbox owners can no longer share and and manage the permissions for the mailbox's calendar and the "Sharing permissions" option does not appear in the calendar's right-click menu:

However, the "Sharing permissions" option and this ability for shared mailbox owners can be restored by requesting to have the UWM Cloud Services Support team grant "Send As" access to the shared mailbox to individual owners.

If you are affected by this issue, please contact the Help Desk by calling 414-229-4040 or by submitting an online request at Getting Help - Technology Resources