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How can I add Exchange on-prem account in new outlook? Unable to view the toggle option with Exchange on-prem account, is there a way to enable the toggle for exchange on-prem?

Anonymous
2025-06-20T07:05:59+00:00

I am using Exchange on-prem account with my outlook and I am not able to see the New Outlook toggle option in my Outlook 2021, 2024, M365 enterprise account.
I did try this option from the link mentioned below but this works only for exchange online account.

https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/outlook-on-the-web/enable-disable-employee-access-new-outlook#us-the-registry-to-enable-or-disable-the-new-outlook-toggle-in-outlook-desktop

Kindly help me understand how an Exchange on-prem account can have this toggle option available.

Is Exchange on-prem supported with new outlook ?

Outlook | Windows | Classic Outlook for Windows | For home

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Anonymous
2025-06-20T07:22:05+00:00

Hi Ajay Pahilwan,

Good day and thank you for posting on Microsoft Community. We are happy to assist you.

Currently, New Outlook does not support POP and on-premises Exchange accounts even if you are using Exchange SE. The New Outlook only supports Microsoft 365 work and school accounts (Exchange Online), Outlook.com / Hotmail as Exchange mailbox providers and other third-party accounts connecting through IMAP. Support for On-Premises Exchange or other hosted Exchange services will be added later. For more details, please kindly refer to this article: Accounts in the new Outlook for Windows | Microsoft Learn

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However, I suggest you consider migrating mailboxes to Exchange Online. With Exchange Online accounts, users will be able to use New Outlook and OWA. For more details, please refer to this article: Exchange Server hybrid deployments | Microsoft Learn

Thank you for your patience and understanding. I am looking forward to your response. If you have further question, please feel free to reach out to me. I will try my best to assist.

Sincerely,

Nam-D - MSFT | Microsoft Community Support Specialist.

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  1. Anonymous
    2025-07-07T15:11:32+00:00

    Later? When later? This has been going on for more than a year, and some of us want to use the desktop platform with our email accounts. We're not administrators and don't have the luxury of migrating our mailboxes or whatever that noise is. Maybe Microsoft should focus on making these things work across the board instead of releasing them before they're ready and then leaving them unfinished.

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  2. Anonymous
    2025-06-20T10:00:53+00:00

    Hi Ajay Pahilwan,

    Thank you for your response. I glad that my information is helpful for you.

    In addition, I also suggest you look at the Exchange Server hybrid deployments | Microsoft Learn. Hybrid Deployment is more flexible for on-premises account.

    If my answer is helpful, please mark it as an answer. Once marked, it will automatically pin to top. As other users will also search information in this community, your valuable marked answer will definitely also help other users who have similar queries easily to find the correct channel and useful information more quickly.  

    Thank you for your patience and understanding. If you have any further question, please feel free to drop a line. I will try best to assist you.

    Sincerely,

    Nam-D - MSFT | Microsoft Community Support Specialist.

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  3. Anonymous
    2025-06-20T08:54:44+00:00

    Hi Nam-D,

    Thank you for your quick response. This we are looking for the customer who are using Exchange on-premise and using Enterprise Vault to archive there items. At present our Add-in is not supported with new outlook (toggle On option) and we are planning to build the support it for on-prem exchange mailboxes.

    I have raised the feedback around it as mentioned and same you can see using link

    We would like to get the toggle option available for on-prem exchange account. Which will allow user to get the new look and feel. · Community

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  4. Anonymous
    2025-06-20T07:10:37+00:00

    As MSFT going to release the Exchange SE in Oct 2025, We are using on-prem exchange along with Outlook 2021, 2024 and M365. We would like to know with if Exchange SE going to support 'toggle option' along with Classic and New outlook while using with on-prem exchange.

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