Review for MinimizeToTray revived by Pokapoka
Rated 1 out of 5 stars
Can't install it to Thunderbird 52.2.1.
[WORKAROUND]
Install Thunderbird 45.7.0
Install this add-on
Install Thunderbird 52.2.1
works fine
To create your own collections, you must have a Mozilla Add-ons account.