Sendas

In Office 365, like in any other hosted exchange service, you can create multiple aliases for your account. You just need to (while logged into OWA, you must have admin rights):

1. Go to Options -> See All Options…
2. Choose Manage My Organization.
3. In Mailboxes section of Users & Groups select your mailbox and click Details.
4. Expand E-Mail Options, click Add, enter your new name for email address, choose domain (if you have more than one), click OK. Now Save.

Voila! You got new alias on which you can receive emails. And that’s the problem, you can only receive. I wanted more. I wanted to be able to send emails from such alias. Fortunately there is solution to that, but not with aliases. You must use groups instead. Repeat two first steps mentioned above and then: