However, some users face issues while accessing a shared mailbox is MS Outlook application. Assigned users can access these shared mailboxes in their Outlook application.
We can also say that a shared mailbox is a centralized service that allows multiple uses to work in a synchronized manner. Each and every user is able to read and send emails depending upon the permission provided by the Admin. Shared Mailbox in Office 365 is a mailbox that can be accessed by all the users who have been granted permission for accessing it.
