This article explains how to manually configure an IMAP mailbox in New Outlook. Some screens may be skipped automatically depending on Outlook’s account detection.
Step 1: Welcome Screen
On the "Welcome to the new Outlook" screen:
-
Suggested account: your email address
-
Click Continue
Step 2: Select Email Provider
Note: Outlook may automatically detect IMAP and skip this screen.
On the "Select your email provider" screen:
-
Select IMAP
Step 3: IMAP Account Settings
On the "IMAP" configuration screen, enter the following:
Login Information
-
Password: your mailbox password
-
Click Show more
-
Set Use recommended settings to No
Incoming Mail (IMAP)
-
IMAP incoming server:
server.hostname.com -
Port:
993 -
Secure connection type: SSL / TLS
Note: Although the mail service supports STARTTLS for IMAP, it may not work reliably with New Outlook. SSL/TLS is recommended.
Outgoing Mail (SMTP)
-
SMTP username: your full email address (usually pre-filled)
-
SMTP password: your mailbox password
-
SMTP outgoing server:
server.hostname.com -
Port:
587 -
Secure connection type: STARTTLS
-
Click Continue
(Do not select "Select Provider")
Step 4: Sync Your IMAP Account
On the "Sync your IMAP account" screen, Outlook will display a notice explaining that:
-
Emails will be synced to the Microsoft Cloud
-
Contacts and calendar items created in Outlook will be stored in the Microsoft Cloud
-
Click Continue to finish setup
