Hi Jason,
Currently, if your CEO is not an user of your Office 365 organization, we are not allowed to give him permissions to access your Exchange Control Panel to see all the mailboxes.
Thanks,
Vivian Wang
Hi Jason,
Currently, if your CEO is not an user of your Office 365 organization, we are not allowed to give him permissions to access your Exchange Control Panel to see all the mailboxes.
Thanks,
Vivian Wang