FIRST THINGS FIRST, in order for Outlook to properly connect to your Exchange services please make sure your hosted DNS records are set up in the manner than Outlook wants.How to Fix Log onto Exchange ActiveSync EAS error if Outlook cannot resolve the server information for your internal Exchange server: Often times it gets through and lets you finish the setup.It will run through many times and cancel the request then try again etc.It will give you the EAS error in the dialog box.On the screen where you enter the account details, put in the name of the Exchange Server (it will be for cloud users).Sometimes the simplest fix is the best so try this first: So, here’s how we fixed the ‘ Exchange ActiveSync Mail Server EAS cannot be found’ issue: Previous versions of Outlook connect without issue but the degrading of EAS (Exchange ActiveSync) is Microsoft’s way of saying “go to office 365 or we’re going to start breaking things”. Typically we see the “ Cannot Log onto Exchange ActiveSync mail server (EAS) The server cannot be found” issue when Outlook is trying to connect to an Exchange server or the ‘ Something Went Wrong‘ error when Outlook can’t sync with Office 365.

How to Fix the Log onto Office 365 & Exchange ActiveSync EAS Outlook error – Something Went Wrong

Resolve outlook 2016 sync issues