Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Dear Care Well-Live Well,
Greetings!
Thanks for reaching out to this community.
Based on your description, I understand your query on how to add alias to existing email.
To do this, please kindly try contacting the admin to follow below steps:
- Go to Microsoft 365 admin center > Users > Active users.
- Select the user you want to add alias to.
- Under Account tab, click Manage username and email.
- In the pop-up window, under Aliases, enter in a username as you want and select a domain you own.
- Then click Add.
For more instructions, please kindly refer to Change a user name and email address - Microsoft 365 admin | Microsoft Learn.
Please feel free to reply if I misunderstand you! Appreciate your patience and understanding and thank you for your time and cooperation.