Currently, email addresses using IMAP will not be able to use the Outlook Addon. If the email address is something like Gmail however, you could use our Gmail Addon instead: https://help.trello.com/article/1120-trello-for-gmail-add-on
I hope that possibly works for you as an alternative.
If you had to thrive a new habit during a lockdown, what would it be? Trello
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