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Disable Message "Encryption" Button in Outlook O365 RRS feed

  • Question

  • We are in an Exchange hybrid configuration and all of our mailboxes have been migrated to O365 but Identity is still on-prem. We use a third party tool for handing message encryption. This tool adds an Encryption button in the Outlook Ribbon for new messages, which a user can click, to send an encrypted message. We recently noticed that Outlook now has a similar button for encrypting messages, in the Ribbon, on the options tab. We don't want our users to see that button and think it is the same as our third party tool. Eventually we may transition to the built-in O365 encryption but for now, is there a group policy we can use to disable that button?


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    • Moved by Perry-Pan Wednesday, February 20, 2019 5:45 AM
    Tuesday, February 19, 2019 4:10 PM

All replies

  • Hi Vargsa,

    According to my research, there seems to be no such a registry key or GPO to disable this option. Besides, instead of Encrypt button under Options tab, you can also find another button via File > Encrypt in New Email window.

    Besides, to use Encrypt with S/MIME, users have to configure their certificate in Outlook. Otherwise, they cannot use this feature even they click on it.

    As a workaround, you can also inform all users to avoid using wrong Encrypt button.

    If you have more concerns on this feature, it is encouraged to visit the Outlook user voice forum: https://outlook.uservoice.com/ to vote for a similar idea or post your own.

    Thank you for your understanding and support.

    Regards,

    Perry


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    • Proposed as answer by Perry-Pan Thursday, February 21, 2019 5:10 AM
    • Unproposed as answer by Perry-Pan Wednesday, February 27, 2019 8:00 AM
    • Proposed as answer by Perry-Pan Wednesday, February 27, 2019 8:01 AM
    Wednesday, February 20, 2019 5:45 AM
  • Hi Vargsa,

    Just check if the information above is helpful to you. 

    If yes, could you please help mark it as answer so it will be easy for other forum members who might have similar issues to find the useful one? 

    Thank you for your understanding and support.

    Regards,

    Perry


    Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact tnsf@microsoft.com.


    Click here to learn more. Visit the dedicated forum to share, explore and talk to experts about Microsoft Teams.

    Friday, February 22, 2019 8:31 AM