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Outlook JS Add-in - How to remove an add-in after development is done?

I have the issue that I cannot remove the developed add-in from Outlook.

To test the add-in I used the npm run start command and stopped it with npm run stop. But the add-in is still shown on Outlook Desktop and Outlook Web.

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I already tried this solutions from the Microsoft forum (Remove an Add-in from 365 Mail that does not show up in the My Add-ins). But the two add-ins does not show up in the add-in list and the "Options" menu is not visible in Outlook online.

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I already tried cleaning the add-in cache. But then the add-in still appears after some time.

I have a suspicion that the add-in is stored somewhere in my mailbox.

Is there a way to remove it?

Solution

  • Solution:
    My mailbox belongs to a company organisation and they did not assign the role "My Custom Apps". In that case I could sideload the add-ins via npm run start but I could not see them in "My Add-Ins". After the Exchange admin assigned me that role, I could see and remove them in the "My Custom Apps" section.
    Specify the administrators and users who can install and manage add-ins for Outlook in Exchange Online | Microsoft Learn