When configuring Outlook for Web in Outlook 2016, you sometimes need to know the POP/IMAP settings, if automatic configuration fails. To check the pop/imap settings for your Microsoft Office 365 account, follow these steps –

1. Login into Microsoft Office 365 for web.
2. Click the Gear icon or “Settings” on the top right corner and select “Options” to open your Account Information.
3. From the left navigation, select the “Accounts” sub-heading. Under that click on “POP and IMAP” option.

You will see the settings for configuring your email client, with details like – port, encryption method etc.