It started working after trying to configure it on Outlook mobile. Try adding a card from Outlook Mobile to your Trello account> you may need to sign in to Trello again for this>Once a card has been added through Mobile> it seems to link by itself on your desktop automatically. Hope this helps!
Hey @Caroline Clarke
Because the Trello Outlook Add-in is maintained by Microsoft, changing that default behavior would need to be explored with their support team. You can reach out to them here: firstname.lastname@example.org
I apologize we can't do more to directly assist, but I hope that points you in the right direction!
Instructions found under Jeff Blain's explanation on the bottom of this page where this question was also asked: https://community.atlassian.com/t5/Trello-questions/Trello-Outlook-Add-In-tries-to-open-internet-explorer-instead-of/qaq-p/1080646#U1217906
If you had to thrive a new habit during a lockdown, what would it be? Trello
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