Outlook Add-in open automatically on load of outlook client (Desktop and Web)

Hirdesh Baghel 20 Reputation points

I am working with Outlook office add-ins to achieve the below functionality -

Requirement :
As soon as user open Outlook client (Desktop and web) it should display a dialog or popup with some information on it.

Already Tried :
I came to know from Microsoft references that one way to achieve this is through office add-ins. I have created one outlook add-in in react framework using yeoman office generator. This add-in comes with task pane to show customize content.

Problem :

  1. To enable add-in, I have to click on some mail which I don't want.
  2. After enabling add-in, I have to click on show TaskPane button from the ribbon to display my TaskPane which I also don't want.

I want to display my add-in TaskPane as soon as user open Outlook. Can someone please help on how this functionality can be achieved. Any suggestions or reference doc will be really helpful.


A family of Microsoft email and calendar products.
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Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
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Outlook Management
Outlook Management
Outlook: A family of Microsoft email and calendar products.Management: The act or process of organizing, handling, directing or controlling something.
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Accepted answer
  1. Victor Ivanidze 101 Reputation points

    I doubt a JavaSctipt add-in can do that.

    Create a COM add-in for desktop Outlook and a web browser extension for OWA.

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