Unable to Use Alias as From Address

LoztInSpace

Member
Outlook version
Outlook 365 64 bit
Email Account
Exchange Server
Hi Diane
I'm using Office 365 cloud subscription
(Microsoft® Outlook® for Microsoft 365 MSO (Version 2211 Build 16.0.15831.20098) 64-bit)

When I originally installed Outlook, I was using email from my ISP which was AT&T so I configured Outlook to use that as default email.

I am now changing to a new ISP and want to use Outlook for my email service; however, my Outlook account email address is awkward so on Outlook.com I defined a better address as an alias to use instead.

On Outlook.com the alias is defined as the primary alias as well as the default from address.
When I create an email on Outlook.com, the From address shows the alias as expected.

Unfortunately, after trying a variety of changes to Outlook on my Windows 11 PC and my android Outlook, I cannot get the From address to show anything except the original Outlook email address. However, in the email Account Settings (please see image) while the original email address is associated with MS Exchange, when you drill in, it shows the alias address

However, and this is very strange...when I execute the following sequence from that screen
  1. More Settings
  2. Select Advanced, then Security tabs
  3. OK
  4. Next
  5. Done
  6. Close
When I immediately return to the Account Settings screen, the alias address now appears in Account list for MS Exchange
If I now create an email the From address now shows the alias, and it processes the send properly.
Unfortunately, if I close-open Outlook, it reverts back to the original email address.

Any help much appreciated!

ScreenHunter 193.png
 

LoztInSpace

Member
Outlook version
Outlook 365 64 bit
Email Account
Exchange Server
That was it.
After deleting the account on my PC and cell, then adding it back in using the alias, the alias appears as the From

Thanks Diane! ⭐⭐⭐⭐⭐
 
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