If you’re connecting to your Office 365 email, the server name for IMAP and POP is outlook.office365.comand the server name for SMTP is smtp.office365.com.
If you’re connecting to an Exchange mailbox and not using Office 365 email, or if you aren't sure if you're using Office 365 email, do the following to look up your settings.
- Sign in to your account using Outlook Web App. For help signing in, see Sign in to Outlook Web App.
- In Outlook Web App, on the toolbar, select Settings
> Options > Account > My account > Settings for POP and IMAP access.
- The POP3, IMAP4, and SMTP server name and other settings you may need to enter are listed on the Settings for POP and IMAP Access page under POP setting or IMAP setting, and SMTP setting.