Typically those outlook.office365.com accounts don't have IMAP enabled, so you need to use an add-on to connect via their Exchange protocol.
In TB 60.9 we've made this more discoverable: https://www- stage.thunderbird.net/en-US/thunderbird/60.9.0/releasenotes/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1846877 Title: Thunderbird provides no way to interact with the interface after adding an account. To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1846877/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
