An alias hides your Microsoft 365 email address. All alias emails go to your primary inbox.
Aliases can diversify a single email account without costing extra. One email account can have 400 aliases.
Will I still be able to receive emails in my inbox that are addressed to the alias I use?
No, all alias mail arrives at your primary email address. Mail sent to support@coolexample.com will appear in your inbox as sent to jane@.
If you want support@ as the To address, add your primary email to a distribution group.
Can I send emails from my alias?
Yes, use aliases in Outlook web. Your messages will show your alias as the sender and hide your primary address.
If your primary email is jane@coolexample.com and you create jobs@, all emails sent to jobs@ go to your regular inbox. Use jobs@ when replying to email so the recipient never sees jane@. This Microsoft Public Preview feature may have bugs. Send emails using an alias.
What’s the difference between an alias and a forwarding address?
When you create a forwarding email address, any messages sent to your Microsoft 365 email is directed to a different email address. For example, if you forward email from sales@coolexample.com to jane@coolexample.com, all messages sent to sales@ will automatically forward to jane@. See forwarding options for your Microsoft 365 email address.
Can my alias filter to a specific folder?
No, inbox rules don’t filter aliases to specific folders. However, you can create the address as a distribution group (with your primary email account as a member) and make a rule that automatically moves mail sent to your distribution group to a folder. Learn more about inbox rules from Microsoft.
Email addresses can’t be both aliases and distribution groups. To change an address from an alias to a distribution group, first delete the alias before creating it as a distribution group.
How long does it take for an alias to become operational?
You can receive mail for an alias after adding it. A new alias can deliver mail after 24 hours.
I’d like to create an alias out of my email address; is that possible?
If you change the username associated with your Microsoft 365 email account, the old username will be added as an alias immediately after the change is made. You will also need to delete the address if it has previously been used to create an email account, distribution group, or shared mailbox before you can add it as an alias to your primary email account.
What if my alias isn’t working?
If your alias isn’t working, try the following:
- Make sure that the alias is spelled correctly. We are all susceptible to making typographical errors.
- Verify that the sender has used the correct spelling of the alias.
- Make sure that you have given the alias a full day to set up before using it.
- If you’re using Advanced Email Security, you might need to add the alias.
Can an alias go to multiple email addresses?
It is not possible to use the same alias for more than one email address. Create a shared mailbox or distribution group instead.
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