Task Pane for OWA add-ins doesn't open for shared mailbox about office-js

[geoffreyreemer]

@kdeshpande-methodcrm Feel free to try it out first. I'm not downloading a random Mediafire file to solve an issue in a web application, so I'd rather wait for official communication from MSFT instead.

[kdeshpande-methodcrm]

@geoffreyreemer Did the solution given by @JONTY650413 work for you?

[kdeshpande-methodcrm]

Able to reproduce the same

[andrew-at-acta]

I am experiencing the same issue in OWA.

[rajjha-msft]

Hey @geoffreyreemer

In Outlook on the web, if you open a shared mailbox in a separate browser tab or window using the Open another mailbox option, you may encounter issues when accessing add-ins from the mailbox. We recommend opening the mailbox in the same panel as your primary mailbox instead. This ensures that add-ins work as expected in your shared mailbox.

If you prefer to open the shared mailbox using the Open another mailbox option, we recommend deploying the add-in to both your primary user and shared mailboxes.

For more info, please visit : https://learn.microsoft.com/en-us/office/dev/add-ins/outlook/delegate-access?tabs=web%2Cjsonmanifest

[geoffreyreemer]

I'm not sure if anything changed, but opening add-ins through "Open another mailbox" works again. Problem seems to be solved for us now.