How to prevent users from downloading third-party apps in new Outlook

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How to prevent users from downloading third-party apps in new Outlook

Lukasz Maliszewski 20

Managed to do it for Teams, Word, Excel.

For some reason this didn't stop block users from downloading 3rd party apps in new Outlook.

Can someone please tell me how do I block users from doing that?

Pretty straight forward and important feature, but I can't seem to find the answer anywhere.

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Answer 1

SokiGuo-MSFT 31,526 Microsoft External Staff

Hi @Lukasz Maliszewski

Welcome to our forum!

As far as I know, there is not full support for third-party add-ins in New Outlook. And the Outlook add-in installation is managed by different processes.

Based on my search, there is no official documentation that says it is possible to restrict New Outlook. It can only be blocked in the classic version, here are the detailed steps.

More information, see: who-can-install-and-manage-add-ins.

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Lukasz Maliszewski 20 Reputation points

2024-08-19T15:24:08.17+00:00

Thank you for the reply, but this is something I have already tried as well.
Users are still able to download any apps they want without me having control over what they download.

I think this solution would work on old Outlook, which you have already mentioned.
SokiGuo-MSFT 31,526 Reputation points Microsoft External Staff

2024-08-20T06:20:36.2866667+00:00

Hi @Lukasz Maliszewski

Thanks for the feedback!

For this issue, I will submit this feedback at the official feedback portal. I will leave the link, so that you or others can also vote or comment there when they see this topic. If you have any suggestions or ideas, we recommend that you post them here. Hopefully, Microsoft will take notice of this in the future. Thank you for your understanding and support!
SokiGuo-MSFT 31,526 Reputation points Microsoft External Staff

2024-08-22T06:20:53.9+00:00

Hi @Lukasz Maliszewski

Did you need any more help with this question? If not, could you please mark "Accept Answer" on the appropriate answer so other users can reference it?And, if you have any further questions do let us know.

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How to prevent users from downloading third-party apps in new Outlook

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