Now enter your complete eclipso e-mail address and click on Connect. If you have Microsoft Outlook 2019 / 365 open, click the File tab at the top left to open the Account information menu. Start Microsoft Outlook 2019 / 365 on your PC or Mac How do I set up my e-mail account in Microsoft Outlook (IMAP)? 1. The display may vary from version to version. This guide assumes that Microsoft Outlook 2019 / 365 is already set up and ready to work on the PC or Mac. In this step by step tutorial you will learn how to connect and set up your eclipso e-mail account via IMAP with Microsoft Outlook 2019 / 365 for PC or Mac. How to set up an IMAP account on Outlook 2019 / 365