use an access app policy to limit to a specific mailbox:
https://learn.microsoft.com/en-us/graph/auth-limit-mailbox-access
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Hi,
We have requirement from 3rd party to access an shared mailbox on our tenant.
I have register App and given following API Permission
full_access_as_app
MailboxSettings.Read
My issue is that I only want to give this app an access to Shared Mailbox 1, i dont want this app to use to access any other mailbox on our tenant, how do I limit this app to only access shared mailbox 1
use an access app policy to limit to a specific mailbox:
https://learn.microsoft.com/en-us/graph/auth-limit-mailbox-access