Configure Outlook 365 App with 2010 Exchange Server

James B 1 Reputation point

I am currently testing Office 365 business and want to use the Outlook application on my laptop to access our company exchange server which is 2010 and externally hosted.

I am using as my domain at the moment.

Can someone help as to how I would configure either Exchange/Outlook 365 to work with Exchange Server 2010

Thank you

Microsoft Exchange Hybrid Management
Microsoft Exchange Hybrid Management
Microsoft Exchange: Microsoft messaging and collaboration software.Hybrid Management: Organizing, handling, directing or controlling hybrid deployments.
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  1. Andy David - MVP 133.7K Reputation points MVP

    Hi, thats not actually supported:

    You wouldnt use however to connect to an Exchange 2010 server, thats used for Microsoft 365 domains. You would use your "real" domain, not the one.

    You should probably contact the admin for your company, but generally you enter your primary EMAIL address and Outlook automatically configures it.

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  2. Joyce Shen - MSFT 16,581 Reputation points

    Hi @James B

    Yes, like Andy said above, Microsoft 365 Apps is not supported for Exchange 2010 server.


    In addition, Exchange 2010 has reached its end of support, I would suggest you migrate to O365 or Exchange 2016. And the Exchange Deployment Assistant will be helpful to perform the migration.

    If an Answer is helpful, please click "Accept Answer" and upvote it.

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  3. Geert 1 Reputation point

    You could at the following lines to C:\Windows\System32\drivers\etc\hosts mail.yourdomain.tld autodiscover.yourdomain.tld

    change with the IP of your Exchange server.
    change yourdomain.tld with your domain.

    Consider this as a quick-fix, upgrade ASAP to a supported Exchange version.

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