Office 365 - How to use Exchange Online PowerShell to grant delegates permissions to view private items in a shared mailbox using Outlook
How to fix Outlook error - Cannot copy this folder because it may contain private items by granting permissions to view private items using PowerShell
How to create an Exchange online transport rule to change email header sensitivity "Private" to "Normal" for shared mailboxes.
How to turn off Microsoft Viva Insights (MyAnalytics) Outlook add-in and digest emails for all Office 365 users