Office 365 Support for POP and IMAP Connections to Outlook 2003
Office 365 now supports POP and IMAP connections to Outlook 2003. However, please note that customers connecting to Outlook 2003 via POP or IMAP will experience the following limitations: no calendar support, no free/busy information, no Global Address List, no push email and when connecting via POP, all messages will be downloaded to the client, and there will be no synchronization between multiple computers or devices (such as between a laptop and a phone).
Additional Information: For more information, please read the blog Office 365 will now support POP and IMAP Connections to Outlook 2003
