Why can't In-place archive mailbox be accessed using Office 365 activities?
Issue Description:
Unable to access In-place Archive mailbox using Office 365 activities.
Root Cause:
The Graph API does not support accessing in-place archive mailboxes. Therefore, it is not possible to access in-place archive mailboxes using Office 365 activities.
References:
Use the Outlook mail REST API - Microsoft Graph v1.0 | Microsoft Learn