Note: This option does not apply to Replies and Forwards which will always select the account the message was originally received with.

You can of course still manually select a different sending account while composing your message.

Enable the option: Always use the default account when composing new messagesĭisabling automatic account selection in the Options dialog.

Scroll down to the Send messages section.

In Outlook 2013 and later you can disable the automatic account selection feature by enabling the following option If you don’t like that, and want your default account to be selected for all new emails, you can do this via a Registry setting in Outlook 2010 or an Option setting in Outlook 2013, 2016, 2019 and Outlook as part of a Microsoft 365 subscription. When you have multiple accounts configured, Outlook will automatically set the “From” account based on the mailbox folder that you are in. When I create a new message, it automatically selects the sending account based on the folder that I'm currently in, instead of using the default configured account. I have multiple accounts configured in Outlook.

Remove primary account outlook