How to show the task pane in the Office add-in for Outlook?

Kami Toshihiko 15 Reputation points
2023-01-30T09:55:17.2533333+00:00

I'm using Visual Studio 2019 to develop an Office add-in for Outlook. I would like to see the Office Add-in task pane when composing a new message.

Using event-based activation, I can fire an event when a new message is created, but I don't know how to show the task pane.

The site below calls the Office.addin.showAsTaskpane() method to show the task pane, but it requires the use of a shared runtime and does not support Outlook.

https://learn.microsoft.com/en-us/office/dev/add-ins/develop/show-hide-add-in

Are there other ways to show the Office Add-ins task pane in Outlook?

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An Office service that supports add-ins to interact with objects in Office client applications.
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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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