Procedure to Access Exchange Online Using IMAP4 Configuration for Connect Email Account

As Microsoft has changed the authentication mechanism on Oct 1 2022, the legacy protocols like pop3, imap4 will be the end of support on Microsoft outlook client. If you would like to use the legacy protocols, please change to using the thunderbird client.

Server settings

Incoming mail server:outlook.office365.com (port: 993)
Outgoing mail server (SMTP):smtp.office365.com (port: 587)
User name:<hku portal UID>@connect.hku.hk
Password:<hku portal PIN>
Authentication method: OAuth2

Note: If you select IMAP configuration, all your emails and actions performed will be synchronized with the email server.

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