Forum Discussion
How to add and grant access to external users for an M365 mailbox
Hello, what is the workaround to allow external users to share a mailbox? External users who are not within our domain should be able to send and receive emails using an address like (email addre...
No such thing, mailboxes can only be accessed within the confines of the same tenant. You can forward the messages to an external address, but cannot give an external user direct access to a mailbox.
- OK thanks for confirming.
