Read time: 8 minutes
If you’re like most business owners, you rely on Microsoft Outlook to keep your calendar and email organized. But what do you do when you try to set up or configure Office 365 account in Outlook 2016 and get an error message? The error says, “cannot connect to server” and you are unable to access your mailbox. Many businesses are running into this issue, but don’t worry – we have a fix. In this post, we’ll walk you through the steps to set up your Office 365 mailbox in Outlook 2016. We’ll also show you how to fix the error that’s been popping up for so many people. So, let’s get started!
If you’re seeing Outlook 2016 setup errors when trying to configure your Office 365 mailbox, there are a few things you can try to fix the issue.
In this case, the Outlook 2016 Setup Error might occur if the Exchange administrator enabled multi-factor authentication (MFA). In response, the server returns an HTTP 456 authentication error.
Disable MFA for this account in Office 365 to resolve the issue. Here are the steps to do so.
If you’re still seeing Outlook 2016 setup errors, it’s possible that your Outlook data file is corrupted. To fix this, you can recreate a new local Outlook Data File.
To fix the Outlook 2016 setup error, you can also look to update Outlook to its latest version. Here is how to do so.
Windows Update is one of the universal methods to fix the basic errors of Outlook and Office 365. To fix the Outlook 2016 setup errors, try updating Windows with the steps below.
If you continue to see Outlook 2016 setup errors, or if you have any questions, you need to contact the IT support team.
These are all the manual solutions to this Outlook Setup error for Office 365 Mailbox but to make things safer for us, it is essential to keep a backup of Exchange Online mailboxes. For this, it is recommended to use the Kernel Office 365 Backup Tool. This utility saves Exchange/Office 365 mailboxes in PST without Outlook and backs up archive/shared mailboxes & public folders.
Moreover, Moreover, this software allows you to take a backup of live Exchange mailboxes without interrupting your work and keep you away from the hassle if you accidentally delete user mailboxes in exchange online. Also, this tool is compatible with all versions of Windows.
If you are encountering the Outlook 2016 setup error for Office 365 mailbox, we have some troubleshooting methods that may help. We understand how frustrating it can be when something doesn’t work the way it’s supposed to. So hopefully these tips will get your email up and running again in no time. To keep your issues sorted out, use the Kernel Office 365 Backup program and keep a backup of your Exchange Online mailboxes as an added layer of precaution for the future. Get started with this tool now as it is available for free online.