How to Set the Default Email Account in Windows Mail or Outlook

Change the email address that Windows Mail or Outlook inserts as the sender in all of your outgoing messages.

April 15, 2025 · 1 min · 44 words · Tammy Graham

Because of the multi-account fly-out menu, it no longer makes sense to specify a default account.

This functionality has been deprecated from Mail.

Adjust your display name for IMAP accounts by going toSettings>Manage accounts.

choose the relevant account and modify the information as needed.