[PowerShell – EXO] Get all members and permissions of Shared Mailboxes

I recently needed to get a list of all Exchange Online Shared Mailboxes members and permissions.

Here is how to do it :

Connect-ExchangeOnline

Get-Mailbox -RecipientTypeDetails SharedMailbox -ResultSize:Unlimited | Get-MailboxPermission |Select-Object Identity,User,AccessRights | Where-Object {($_.user -like '*@*')}

Here is the results that you’ll have :