Review for QuickFolders (Tabbed Folders) by telcomguy
Rated 5 out of 5 stars
QuickFolders compliments Thunderbird very well, is well integrated, and I have found it very helpful. Axel Grude, the developer, has proven to be very sincere and helpful as well.
This review is for a previous version of the add-on (2.9.3). This user has a previous review of this add-on.To create your own collections, you must have a Mozilla Add-ons account.