Forum Discussion
Default email address for additional mail account
Hi, I've added 02 Exchange Online mailboxes in my Outlook profile. When I reply to a mail from my additional mailbox, by default it picks my default mailbox's email address in the "From" field. I...
If by additional mailbox you mean you automapped it or added it via Accounts settings > More > Advanced, that's the expected behavior. You should add it as additional account via File > Add account instead.
Other than that, check the value for the File > Options > Mail > Send messages > Always use the default account when composing new messages setting.
Other than that, check the value for the File > Options > Mail > Send messages > Always use the default account when composing new messages setting.