How do I find my mail server in Outlook 365?

If you're connecting to an Exchange mailbox and not using Microsoft 365 email, or if you're not sure whether you're using Microsoft 365 email, look up your settings as follows:

• Use the Outlook Web App to log in to your account. See Sign in to Outlook Web App for further information.
• Select Settings Settings icon > Mail > POP & IMAP from the toolbar in Outlook Web App.
• The POP and IMAP settings page lists the POP3, IMAP4, and SMTP server names, as well as any other settings you might need to provide.

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