How to Export and Apply User Mailbox Permissions, Shared Mailbox Permissions and Calendar Folder Permissions using Powershell, Managing SendAs and SendonBehalf (Office365 – Exchange Online)
Export the Access Rights / Permissions assigned to All user mailboxes in Office365. List the Access Rights / Permissions for a user on all other mailboxes Below command will list the full mailbox permissions which user1 have on all …