• Configure your alternate address
• Send a message using your alternate address

Important: These instructions assume you have already configured Outlook 2016 to your Office 365 account. If you have not already configured Outlook 2016, please see our guide.

Configure your alternate address

1. Open Outlook 2016.
2. Go to "File" menu/tab.
3. Select Add Account from within the 'Account Information' menu.
4. Fill in your account information on the 'Add Account' screen and click Next.
   
   
   
   
5. On the 'Account Setup' screen, select Manual setup or additional server types (located at the bottom of the screen) and click Next button.
6. On the 'Choose Service' screen, select POP or IMAP and click Next button.
7. On the POP and IMAP Account Settings' screen, fill out the required text fields:

   
   

   • "Your name" is the display name associated with this account. It will be presented to the recipient.
   • "Email address" is the address that you added to your account in Office 365.
   • "Account Type" should be POP3 or IMAP, based on whichever protocol your alternate address uses.
     
   • "Incoming Mail Server" should be set to the URL of your email service's incoming mail server.
   • "Username" should be the username associated with this account. 
   • "Password" should be set to the Password of your alternate email.
   • Untick the option "Automatically test account settings when Next is clicked".
   
   
8. Click More Settings... button.
9. Click on the Outgoing Server tab and place a check mark within the "My outgoing server (SMTP) requires authentication" box.
10. Click on the Advanced tab and then change the "Incoming Server" "Outgoing Server (SMTP)" setting to the correct port numbers and set the encryption type.
11. Click OK button to return to the previous screen.
12. Click Next button on the "Add Account" window to add the account.
13. Click Finish button.

You are now ready to use this alternate address as your "FROM" address when sending emails.

Send a message using your alternate address

1. Before sending a message, click the From drop-down select box and select your alternate address from the list.
2. When you are ready, click the Send button.

Note: When the recipient receives this message, the From and Reply-to addresses will be the alternate address.