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Unable to connect Trello calendar to Outlook calendar

Lauren Clatch
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June 5, 2025

I followed the instructions here:

https://support.atlassian.com/trello/docs/using-trello-with-microsoft-outlook/

But I got the error message (many times) shown in the screenshot. Is this a Trello issue or an Outlook issue? I'm currently using the Premium Trello trial to see if the calendar integration is worth the $120 per year. Trello error.png

1 answer

0 votes
Renato Fagaraz
Atlassian Team
Atlassian Team members are employees working across the company in a wide variety of roles.
June 6, 2025

Hi! 

Interesting! Would you mind trying to use the Calendar Power-Up to generate the URL instead? You can find it here: Calendar Power-Up. This might help us figure out if the problem is with the integration or something else.

If that doesn't work, since you're on the Premium trial, you can raise a ticket with Trello support through this link: Support Contact. We can dive deeper into the issue and help you troubleshoot it more effectively through there, which is especially relevant since we're not seeing more information on this screenshot error.

 

Let me know how it goes!

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