Rated 5 out of 5 stars

per Michal Cihelka el oct. 30, 2019 ·

I have two outlook.com accounts. While Thunderbird's IMAP support syncs emails, this add-on (plus the related TbSync add-on) syncs calendar, tasks, and contacts. So far it's been perfect - very fast and stable.

This review is for a previous version of the add-on (1.7).