How to Repair Error and Fix Outlook 2016 for Mac not connecting to Exchange!

Ritu Roy | Email Conversion File Repair How to's Software Technology | 5 minutes read | Last updated on February 8th, 2023,

Are you working on Mac and using Outlook Mac edition for communication purpose and now searching a way out to configure Outlook on Mac for Exchange. The following write-up is dedicated is dedicated to all the readers who wants to know how does Outlook for Mac connect to Exchange Server. Here, in the section we will discuss the configuration process as well as we will go through the multiple ways to overcome the issue of Outlook 2016 for Mac not connecting to Exchange error. But before discussing further in details, let’s first take a look on Mac Outlook and Exchange Server.

Mac Outlook – MS Outlook used to be the email application for only Windows until Outlook for Mac got launched in the last few months of 2010. The Outlook for Mac can be purchased by a user as it is a paid utility or one can avail this as a part of Office for Mac Suite.

Exchange Server – It is a Microsoft supported server which provides calendaring and mailing services. The server is available as both online-service and as on-premise. In this section we will discuss the steps to configure Mac Outlook with Exchange and methods to fix Outlook 2016 for Mac not connecting to Exchange error.

Advantages to Configure Outlook on Mac for Exchange

If you are a user of Outlook for Mac then you should consider configuring the account with Exchange Server. Here are few benefits mentioned that you will get once to connect Outlook for Mac 2016 account with Exchange Server:

  • Easy synchronization of emails, notes, tasks, categories and contact photos.
  • Facility to connect with multiple Exchange accounts.
  • Helps to preview voicemail.
  • Synchronizes S/MIME certificates.
  • Outlook for Mac 2016 can be availed as 64-bit application.
  • Supports cached mode.

How to Connect Outlook for Mac 2016 with Exchange?

Follow the steps discussed below and set up Mac Outlook 2016 user account to Exchange.

Open Mac machine >> go to Finder and click on Applications. Now double-click on MS Outlook and launch it.

If a pop-up appears asking for permission to use information in a keychain, tap Always Allow button.

If you are opening the Outlook account for the first time, then you will see > (arrow sign) on the Outlook welcome screen. Click on the arrow which is displaying and then press Get Started button to continue further to start the process of Exchange configuration.

Another window will appear with two options, select Add Account option.

From Account window, select Office 365 or Exchange to configure Outlook on Mac for Exchange.

In next screen, provide the Exchange account details. Enter email address >> choose username and password as mode of authentication. Again, enter Exchange account username and password for authentication. Also, ensure that you do not select “Configure Automatically” option, if it already selected then deselect the same. Now add webmail server name.

Tip: Users can visit Control Panel and in order to confirm the server name, check user information.

Once the required information is filled, now click Add Account button appearing on the same page to finish the process of Exchange configuration.

Now Outlook screen and account window will continuously pop-up on the screen.

Continue using Outlook after closing Account window.

Instant Fix an Error – Outlook for Mac 2016 not connecting to Exchange

The above mentioned steps allow users to configure or connect smoothly, some users would also be there who could experience some difficulties. Here are seven causes that results in an error and unable to connect Mac Outlook with Exchange Server. Besides the reasons, we have also gone through the ways to fix Outlook for Mac 2016 not connecting to Exchange.

2003 or earlier Exchange Server edition is in use:

Mac Outlook 2016 supports Exchange accounts of O365 for Business, Exchange Server 2010 (Service Pack 2) or lower versions. And if you want to know the host Exchange Server version, contact account administrator.

Outlook is configured only to work Offline:

First, check if Outlook is online from Outlook menu, if it is not then disabled the Work Offline option. After this, Outlook will start to work online.

Incorrect input of Account login details:

If you are in a doubt that you have entered the incorrect login details in the account, then try to access account from Outlook Web Access or any other different Exchange applications. Also, you can go to Tools, select Accounts, choose account (located on the left pane) and verify if account settings are valid.

Network Unavailability:

You need to confirm if you are not facing any internet connectivity issues.

Server Running MS Exchange not Available:

Check the connection of MS Exchange Server. For that, click on Tools, select Accounts and take a look on left panel where you will find Exchange account. If color of light indicator is orange then it indicates that server is having some issues. Immediately contact to server administrator of Exchange to solve the problem.

Requirement of Encrypted Channel:

Contact Server Admin if you want to know that encrypted channel is required or not for Exchange account. If it is needed then go to Tools, select Accounts. From Account window, select the account, click on Advance, choose Server tab. Now, select the check box of “Use SSL to connect” option appearing under both Microsoft Exchange and Directory Service.

System Requires Mail Proxy Server:

If the problem occurred by the absence of specific mail proxy server, then the administrator will be able to tell you which proxy server should be use for connection.


In the post, we have provided steps to configure Outlook on Mac for Exchange. Apart from discussing how to set up Outlook for Mac with Exchange Server, we have also came across the solution of Outlook 2016 for Mac not connecting to Exchange. If you find any difficulty in implementing the steps, then you can try cost-effective and easy to use OLM to PST Tool. An effective and precise solution which can be used by both technical and non-technical users. Get the software freeware edition and check the process by moving 20 Outlook for Mac files to Exchange. Also, we expect that the post will be useful for readers who wants to fix such type of issues.