This is the same as the historic default behavior. If the add-in has multiple task pane commands, but none is configured to be the default, then the add-in's ribbon tab is selected automatically upon installation and a callout appears near it notifying the user of the new add-in, but no task pane is opened.If the add-in has multiple task pane commands, and one is configured to be the default (see Configure default task pane), then the add-in's ribbon tab is selected and the default task pane opens automatically upon installation.If the add-in has just one task pane command, then the add-in's ribbon tab is selected and the task pane opens automatically upon installation.

This feature applies only to add-ins that have at least one add-in command of the type 'task pane command'.

This feature doesn't apply to Content add-ins or Mail (Outlook) add-ins.

This feature applies only to add-ins installed by an end-user, not to centrally deployed add-ins. Configured SCCM Client machine to install Critical windows security patch on system Providing technical and software support over Windows 7 & 10 with Office 2010 & 2016 Working on Request.

We're working to bring this behavior to other platforms, but currently they still exhibit the historic default behavior described previously.

This feature is currently available only in Office on the web. 2021 was the year of the Zoom meeting-and even as people start heading back to the office, its an application thats here to stay.

Outlook task management add in