To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseDeveloper reply by DW-dev
Rated 4 out of 5 stars
Served me well coloring the calender entires in the view, so I had "ornage" for important meetings, "blue" for business ...
Now with the upgrade to Thunderbird / Lighting 68.0 the entries are still colored, but the descriptive text is gone!
https://bugzilla.mozilla.org/show_bug.cgi?id=1580059
Please see the reply to 'Code Name' above.
To create your own collections, you must have a Mozilla Add-ons account.